From 01573e231f18eb2d99162747186f59511f56b64d Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 08 Dec 2023 10:40:48 +0000
Subject: [PATCH] 移去rt
---
kernel/tools/perf/util/header.c | 1846 ++++++++++++++++++++++++++++++++--------------------------
1 files changed, 1,013 insertions(+), 833 deletions(-)
diff --git a/kernel/tools/perf/util/header.c b/kernel/tools/perf/util/header.c
index 3c0d74f..be850e9 100644
--- a/kernel/tools/perf/util/header.c
+++ b/kernel/tools/perf/util/header.c
@@ -1,7 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
#include <errno.h>
#include <inttypes.h>
-#include "util.h"
#include "string2.h"
#include <sys/param.h>
#include <sys/types.h>
@@ -13,17 +12,22 @@
#include <linux/list.h>
#include <linux/kernel.h>
#include <linux/bitops.h>
+#include <linux/string.h>
#include <linux/stringify.h>
+#include <linux/zalloc.h>
#include <sys/stat.h>
#include <sys/utsname.h>
#include <linux/time64.h>
#include <dirent.h>
+#include <bpf/libbpf.h>
+#include <perf/cpumap.h>
+#include "dso.h"
#include "evlist.h"
#include "evsel.h"
+#include "util/evsel_fprintf.h"
#include "header.h"
#include "memswap.h"
-#include "../perf.h"
#include "trace-event.h"
#include "session.h"
#include "symbol.h"
@@ -39,8 +43,13 @@
#include "tool.h"
#include "time-utils.h"
#include "units.h"
+#include "util/util.h" // perf_exe()
+#include "cputopo.h"
+#include "bpf-event.h"
+#include "clockid.h"
-#include "sane_ctype.h"
+#include <linux/ctype.h>
+#include <internal/lib.h>
/*
* magic2 = "PERFILE2"
@@ -62,15 +71,6 @@
struct perf_file_attr {
struct perf_event_attr attr;
struct perf_file_section ids;
-};
-
-struct feat_fd {
- struct perf_header *ph;
- int fd;
- void *buf; /* Either buf != NULL or fd >= 0 */
- ssize_t offset;
- size_t size;
- struct perf_evsel *events;
};
void perf_header__set_feat(struct perf_header *header, int feat)
@@ -295,16 +295,16 @@
}
static int write_tracing_data(struct feat_fd *ff,
- struct perf_evlist *evlist)
+ struct evlist *evlist)
{
if (WARN(ff->buf, "Error: calling %s in pipe-mode.\n", __func__))
return -1;
- return read_tracing_data(ff->fd, &evlist->entries);
+ return read_tracing_data(ff->fd, &evlist->core.entries);
}
static int write_build_id(struct feat_fd *ff,
- struct perf_evlist *evlist __maybe_unused)
+ struct evlist *evlist __maybe_unused)
{
struct perf_session *session;
int err;
@@ -328,7 +328,7 @@
}
static int write_hostname(struct feat_fd *ff,
- struct perf_evlist *evlist __maybe_unused)
+ struct evlist *evlist __maybe_unused)
{
struct utsname uts;
int ret;
@@ -341,7 +341,7 @@
}
static int write_osrelease(struct feat_fd *ff,
- struct perf_evlist *evlist __maybe_unused)
+ struct evlist *evlist __maybe_unused)
{
struct utsname uts;
int ret;
@@ -354,7 +354,7 @@
}
static int write_arch(struct feat_fd *ff,
- struct perf_evlist *evlist __maybe_unused)
+ struct evlist *evlist __maybe_unused)
{
struct utsname uts;
int ret;
@@ -367,7 +367,7 @@
}
static int write_version(struct feat_fd *ff,
- struct perf_evlist *evlist __maybe_unused)
+ struct evlist *evlist __maybe_unused)
{
return do_write_string(ff, perf_version_string);
}
@@ -413,10 +413,8 @@
while (*p) {
if (isspace(*p)) {
char *r = p + 1;
- char *q = r;
+ char *q = skip_spaces(r);
*p = ' ';
- while (*q && isspace(*q))
- q++;
if (q != (p+1))
while ((*r++ = *q++));
}
@@ -430,9 +428,27 @@
}
static int write_cpudesc(struct feat_fd *ff,
- struct perf_evlist *evlist __maybe_unused)
+ struct evlist *evlist __maybe_unused)
{
+#if defined(__powerpc__) || defined(__hppa__) || defined(__sparc__)
+#define CPUINFO_PROC { "cpu", }
+#elif defined(__s390__)
+#define CPUINFO_PROC { "vendor_id", }
+#elif defined(__sh__)
+#define CPUINFO_PROC { "cpu type", }
+#elif defined(__alpha__) || defined(__mips__)
+#define CPUINFO_PROC { "cpu model", }
+#elif defined(__arm__)
+#define CPUINFO_PROC { "model name", "Processor", }
+#elif defined(__arc__)
+#define CPUINFO_PROC { "Processor", }
+#elif defined(__xtensa__)
+#define CPUINFO_PROC { "core ID", }
+#else
+#define CPUINFO_PROC { "model name", }
+#endif
const char *cpuinfo_procs[] = CPUINFO_PROC;
+#undef CPUINFO_PROC
unsigned int i;
for (i = 0; i < ARRAY_SIZE(cpuinfo_procs); i++) {
@@ -446,7 +462,7 @@
static int write_nrcpus(struct feat_fd *ff,
- struct perf_evlist *evlist __maybe_unused)
+ struct evlist *evlist __maybe_unused)
{
long nr;
u32 nrc, nra;
@@ -468,13 +484,13 @@
}
static int write_event_desc(struct feat_fd *ff,
- struct perf_evlist *evlist)
+ struct evlist *evlist)
{
- struct perf_evsel *evsel;
+ struct evsel *evsel;
u32 nre, nri, sz;
int ret;
- nre = evlist->nr_entries;
+ nre = evlist->core.nr_entries;
/*
* write number of events
@@ -486,13 +502,13 @@
/*
* size of perf_event_attr struct
*/
- sz = (u32)sizeof(evsel->attr);
+ sz = (u32)sizeof(evsel->core.attr);
ret = do_write(ff, &sz, sizeof(sz));
if (ret < 0)
return ret;
evlist__for_each_entry(evlist, evsel) {
- ret = do_write(ff, &evsel->attr, sz);
+ ret = do_write(ff, &evsel->core.attr, sz);
if (ret < 0)
return ret;
/*
@@ -502,7 +518,7 @@
* copy into an nri to be independent of the
* type of ids,
*/
- nri = evsel->ids;
+ nri = evsel->core.ids;
ret = do_write(ff, &nri, sizeof(nri));
if (ret < 0)
return ret;
@@ -510,13 +526,13 @@
/*
* write event string as passed on cmdline
*/
- ret = do_write_string(ff, perf_evsel__name(evsel));
+ ret = do_write_string(ff, evsel__name(evsel));
if (ret < 0)
return ret;
/*
* write unique ids for this event
*/
- ret = do_write(ff, evsel->id, evsel->ids * sizeof(u64));
+ ret = do_write(ff, evsel->core.id, evsel->core.ids * sizeof(u64));
if (ret < 0)
return ret;
}
@@ -524,19 +540,13 @@
}
static int write_cmdline(struct feat_fd *ff,
- struct perf_evlist *evlist __maybe_unused)
+ struct evlist *evlist __maybe_unused)
{
- char buf[MAXPATHLEN];
- u32 n;
- int i, ret;
+ char pbuf[MAXPATHLEN], *buf;
+ int i, ret, n;
/* actual path to perf binary */
- ret = readlink("/proc/self/exe", buf, sizeof(buf) - 1);
- if (ret <= 0)
- return -1;
-
- /* readlink() does not add null termination */
- buf[ret] = '\0';
+ buf = perf_exe(pbuf, MAXPATHLEN);
/* account for binary path */
n = perf_env.nr_cmdline + 1;
@@ -557,160 +567,15 @@
return 0;
}
-#define CORE_SIB_FMT \
- "/sys/devices/system/cpu/cpu%d/topology/core_siblings_list"
-#define THRD_SIB_FMT \
- "/sys/devices/system/cpu/cpu%d/topology/thread_siblings_list"
-
-struct cpu_topo {
- u32 cpu_nr;
- u32 core_sib;
- u32 thread_sib;
- char **core_siblings;
- char **thread_siblings;
-};
-
-static int build_cpu_topo(struct cpu_topo *tp, int cpu)
-{
- FILE *fp;
- char filename[MAXPATHLEN];
- char *buf = NULL, *p;
- size_t len = 0;
- ssize_t sret;
- u32 i = 0;
- int ret = -1;
-
- sprintf(filename, CORE_SIB_FMT, cpu);
- fp = fopen(filename, "r");
- if (!fp)
- goto try_threads;
-
- sret = getline(&buf, &len, fp);
- fclose(fp);
- if (sret <= 0)
- goto try_threads;
-
- p = strchr(buf, '\n');
- if (p)
- *p = '\0';
-
- for (i = 0; i < tp->core_sib; i++) {
- if (!strcmp(buf, tp->core_siblings[i]))
- break;
- }
- if (i == tp->core_sib) {
- tp->core_siblings[i] = buf;
- tp->core_sib++;
- buf = NULL;
- len = 0;
- }
- ret = 0;
-
-try_threads:
- sprintf(filename, THRD_SIB_FMT, cpu);
- fp = fopen(filename, "r");
- if (!fp)
- goto done;
-
- if (getline(&buf, &len, fp) <= 0)
- goto done;
-
- p = strchr(buf, '\n');
- if (p)
- *p = '\0';
-
- for (i = 0; i < tp->thread_sib; i++) {
- if (!strcmp(buf, tp->thread_siblings[i]))
- break;
- }
- if (i == tp->thread_sib) {
- tp->thread_siblings[i] = buf;
- tp->thread_sib++;
- buf = NULL;
- }
- ret = 0;
-done:
- if(fp)
- fclose(fp);
- free(buf);
- return ret;
-}
-
-static void free_cpu_topo(struct cpu_topo *tp)
-{
- u32 i;
-
- if (!tp)
- return;
-
- for (i = 0 ; i < tp->core_sib; i++)
- zfree(&tp->core_siblings[i]);
-
- for (i = 0 ; i < tp->thread_sib; i++)
- zfree(&tp->thread_siblings[i]);
-
- free(tp);
-}
-
-static struct cpu_topo *build_cpu_topology(void)
-{
- struct cpu_topo *tp = NULL;
- void *addr;
- u32 nr, i;
- size_t sz;
- long ncpus;
- int ret = -1;
- struct cpu_map *map;
-
- ncpus = cpu__max_present_cpu();
-
- /* build online CPU map */
- map = cpu_map__new(NULL);
- if (map == NULL) {
- pr_debug("failed to get system cpumap\n");
- return NULL;
- }
-
- nr = (u32)(ncpus & UINT_MAX);
-
- sz = nr * sizeof(char *);
- addr = calloc(1, sizeof(*tp) + 2 * sz);
- if (!addr)
- goto out_free;
-
- tp = addr;
- tp->cpu_nr = nr;
- addr += sizeof(*tp);
- tp->core_siblings = addr;
- addr += sz;
- tp->thread_siblings = addr;
-
- for (i = 0; i < nr; i++) {
- if (!cpu_map__has(map, i))
- continue;
-
- ret = build_cpu_topo(tp, i);
- if (ret < 0)
- break;
- }
-
-out_free:
- cpu_map__put(map);
- if (ret) {
- free_cpu_topo(tp);
- tp = NULL;
- }
- return tp;
-}
static int write_cpu_topology(struct feat_fd *ff,
- struct perf_evlist *evlist __maybe_unused)
+ struct evlist *evlist __maybe_unused)
{
- struct cpu_topo *tp;
+ struct cpu_topology *tp;
u32 i;
int ret, j;
- tp = build_cpu_topology();
+ tp = cpu_topology__new();
if (!tp)
return -1;
@@ -747,15 +612,36 @@
if (ret < 0)
return ret;
}
+
+ if (!tp->die_sib)
+ goto done;
+
+ ret = do_write(ff, &tp->die_sib, sizeof(tp->die_sib));
+ if (ret < 0)
+ goto done;
+
+ for (i = 0; i < tp->die_sib; i++) {
+ ret = do_write_string(ff, tp->die_siblings[i]);
+ if (ret < 0)
+ goto done;
+ }
+
+ for (j = 0; j < perf_env.nr_cpus_avail; j++) {
+ ret = do_write(ff, &perf_env.cpu[j].die_id,
+ sizeof(perf_env.cpu[j].die_id));
+ if (ret < 0)
+ return ret;
+ }
+
done:
- free_cpu_topo(tp);
+ cpu_topology__delete(tp);
return ret;
}
static int write_total_mem(struct feat_fd *ff,
- struct perf_evlist *evlist __maybe_unused)
+ struct evlist *evlist __maybe_unused)
{
char *buf = NULL;
FILE *fp;
@@ -783,112 +669,45 @@
return ret;
}
-static int write_topo_node(struct feat_fd *ff, int node)
-{
- char str[MAXPATHLEN];
- char field[32];
- char *buf = NULL, *p;
- size_t len = 0;
- FILE *fp;
- u64 mem_total, mem_free, mem;
- int ret = -1;
-
- sprintf(str, "/sys/devices/system/node/node%d/meminfo", node);
- fp = fopen(str, "r");
- if (!fp)
- return -1;
-
- while (getline(&buf, &len, fp) > 0) {
- /* skip over invalid lines */
- if (!strchr(buf, ':'))
- continue;
- if (sscanf(buf, "%*s %*d %31s %"PRIu64, field, &mem) != 2)
- goto done;
- if (!strcmp(field, "MemTotal:"))
- mem_total = mem;
- if (!strcmp(field, "MemFree:"))
- mem_free = mem;
- }
-
- fclose(fp);
- fp = NULL;
-
- ret = do_write(ff, &mem_total, sizeof(u64));
- if (ret)
- goto done;
-
- ret = do_write(ff, &mem_free, sizeof(u64));
- if (ret)
- goto done;
-
- ret = -1;
- sprintf(str, "/sys/devices/system/node/node%d/cpulist", node);
-
- fp = fopen(str, "r");
- if (!fp)
- goto done;
-
- if (getline(&buf, &len, fp) <= 0)
- goto done;
-
- p = strchr(buf, '\n');
- if (p)
- *p = '\0';
-
- ret = do_write_string(ff, buf);
-done:
- free(buf);
- if (fp)
- fclose(fp);
- return ret;
-}
-
static int write_numa_topology(struct feat_fd *ff,
- struct perf_evlist *evlist __maybe_unused)
+ struct evlist *evlist __maybe_unused)
{
- char *buf = NULL;
- size_t len = 0;
- FILE *fp;
- struct cpu_map *node_map = NULL;
- char *c;
- u32 nr, i, j;
+ struct numa_topology *tp;
int ret = -1;
+ u32 i;
- fp = fopen("/sys/devices/system/node/online", "r");
- if (!fp)
- return -1;
+ tp = numa_topology__new();
+ if (!tp)
+ return -ENOMEM;
- if (getline(&buf, &len, fp) <= 0)
- goto done;
-
- c = strchr(buf, '\n');
- if (c)
- *c = '\0';
-
- node_map = cpu_map__new(buf);
- if (!node_map)
- goto done;
-
- nr = (u32)node_map->nr;
-
- ret = do_write(ff, &nr, sizeof(nr));
+ ret = do_write(ff, &tp->nr, sizeof(u32));
if (ret < 0)
- goto done;
+ goto err;
- for (i = 0; i < nr; i++) {
- j = (u32)node_map->map[i];
- ret = do_write(ff, &j, sizeof(j));
- if (ret < 0)
- break;
+ for (i = 0; i < tp->nr; i++) {
+ struct numa_topology_node *n = &tp->nodes[i];
- ret = write_topo_node(ff, i);
+ ret = do_write(ff, &n->node, sizeof(u32));
if (ret < 0)
- break;
+ goto err;
+
+ ret = do_write(ff, &n->mem_total, sizeof(u64));
+ if (ret)
+ goto err;
+
+ ret = do_write(ff, &n->mem_free, sizeof(u64));
+ if (ret)
+ goto err;
+
+ ret = do_write_string(ff, n->cpus);
+ if (ret < 0)
+ goto err;
}
-done:
- free(buf);
- fclose(fp);
- cpu_map__put(node_map);
+
+ ret = 0;
+
+err:
+ numa_topology__delete(tp);
return ret;
}
@@ -905,7 +724,7 @@
*/
static int write_pmu_mappings(struct feat_fd *ff,
- struct perf_evlist *evlist __maybe_unused)
+ struct evlist *evlist __maybe_unused)
{
struct perf_pmu *pmu = NULL;
u32 pmu_num = 0;
@@ -954,10 +773,10 @@
* };
*/
static int write_group_desc(struct feat_fd *ff,
- struct perf_evlist *evlist)
+ struct evlist *evlist)
{
u32 nr_groups = evlist->nr_groups;
- struct perf_evsel *evsel;
+ struct evsel *evsel;
int ret;
ret = do_write(ff, &nr_groups, sizeof(nr_groups));
@@ -965,11 +784,10 @@
return ret;
evlist__for_each_entry(evlist, evsel) {
- if (perf_evsel__is_group_leader(evsel) &&
- evsel->nr_members > 1) {
+ if (evsel__is_group_leader(evsel) && evsel->core.nr_members > 1) {
const char *name = evsel->group_name ?: "{anon_group}";
u32 leader_idx = evsel->idx;
- u32 nr_members = evsel->nr_members;
+ u32 nr_members = evsel->core.nr_members;
ret = do_write_string(ff, name);
if (ret < 0)
@@ -988,37 +806,74 @@
}
/*
+ * Return the CPU id as a raw string.
+ *
+ * Each architecture should provide a more precise id string that
+ * can be use to match the architecture's "mapfile".
+ */
+char * __weak get_cpuid_str(struct perf_pmu *pmu __maybe_unused)
+{
+ return NULL;
+}
+
+/* Return zero when the cpuid from the mapfile.csv matches the
+ * cpuid string generated on this platform.
+ * Otherwise return non-zero.
+ */
+int __weak strcmp_cpuid_str(const char *mapcpuid, const char *cpuid)
+{
+ regex_t re;
+ regmatch_t pmatch[1];
+ int match;
+
+ if (regcomp(&re, mapcpuid, REG_EXTENDED) != 0) {
+ /* Warn unable to generate match particular string. */
+ pr_info("Invalid regular expression %s\n", mapcpuid);
+ return 1;
+ }
+
+ match = !regexec(&re, cpuid, 1, pmatch, 0);
+ regfree(&re);
+ if (match) {
+ size_t match_len = (pmatch[0].rm_eo - pmatch[0].rm_so);
+
+ /* Verify the entire string matched. */
+ if (match_len == strlen(cpuid))
+ return 0;
+ }
+ return 1;
+}
+
+/*
* default get_cpuid(): nothing gets recorded
* actual implementation must be in arch/$(SRCARCH)/util/header.c
*/
int __weak get_cpuid(char *buffer __maybe_unused, size_t sz __maybe_unused)
{
- return -1;
+ return ENOSYS; /* Not implemented */
}
static int write_cpuid(struct feat_fd *ff,
- struct perf_evlist *evlist __maybe_unused)
+ struct evlist *evlist __maybe_unused)
{
char buffer[64];
int ret;
ret = get_cpuid(buffer, sizeof(buffer));
- if (!ret)
- goto write_it;
+ if (ret)
+ return -1;
- return -1;
-write_it:
return do_write_string(ff, buffer);
}
static int write_branch_stack(struct feat_fd *ff __maybe_unused,
- struct perf_evlist *evlist __maybe_unused)
+ struct evlist *evlist __maybe_unused)
{
return 0;
}
static int write_auxtrace(struct feat_fd *ff,
- struct perf_evlist *evlist __maybe_unused)
+ struct evlist *evlist __maybe_unused)
{
struct perf_session *session;
int err;
@@ -1032,6 +887,145 @@
if (err < 0)
pr_err("Failed to write auxtrace index\n");
return err;
+}
+
+static int write_clockid(struct feat_fd *ff,
+ struct evlist *evlist __maybe_unused)
+{
+ return do_write(ff, &ff->ph->env.clock.clockid_res_ns,
+ sizeof(ff->ph->env.clock.clockid_res_ns));
+}
+
+static int write_clock_data(struct feat_fd *ff,
+ struct evlist *evlist __maybe_unused)
+{
+ u64 *data64;
+ u32 data32;
+ int ret;
+
+ /* version */
+ data32 = 1;
+
+ ret = do_write(ff, &data32, sizeof(data32));
+ if (ret < 0)
+ return ret;
+
+ /* clockid */
+ data32 = ff->ph->env.clock.clockid;
+
+ ret = do_write(ff, &data32, sizeof(data32));
+ if (ret < 0)
+ return ret;
+
+ /* TOD ref time */
+ data64 = &ff->ph->env.clock.tod_ns;
+
+ ret = do_write(ff, data64, sizeof(*data64));
+ if (ret < 0)
+ return ret;
+
+ /* clockid ref time */
+ data64 = &ff->ph->env.clock.clockid_ns;
+
+ return do_write(ff, data64, sizeof(*data64));
+}
+
+static int write_dir_format(struct feat_fd *ff,
+ struct evlist *evlist __maybe_unused)
+{
+ struct perf_session *session;
+ struct perf_data *data;
+
+ session = container_of(ff->ph, struct perf_session, header);
+ data = session->data;
+
+ if (WARN_ON(!perf_data__is_dir(data)))
+ return -1;
+
+ return do_write(ff, &data->dir.version, sizeof(data->dir.version));
+}
+
+#ifdef HAVE_LIBBPF_SUPPORT
+static int write_bpf_prog_info(struct feat_fd *ff,
+ struct evlist *evlist __maybe_unused)
+{
+ struct perf_env *env = &ff->ph->env;
+ struct rb_root *root;
+ struct rb_node *next;
+ int ret;
+
+ down_read(&env->bpf_progs.lock);
+
+ ret = do_write(ff, &env->bpf_progs.infos_cnt,
+ sizeof(env->bpf_progs.infos_cnt));
+ if (ret < 0)
+ goto out;
+
+ root = &env->bpf_progs.infos;
+ next = rb_first(root);
+ while (next) {
+ struct bpf_prog_info_node *node;
+ size_t len;
+
+ node = rb_entry(next, struct bpf_prog_info_node, rb_node);
+ next = rb_next(&node->rb_node);
+ len = sizeof(struct bpf_prog_info_linear) +
+ node->info_linear->data_len;
+
+ /* before writing to file, translate address to offset */
+ bpf_program__bpil_addr_to_offs(node->info_linear);
+ ret = do_write(ff, node->info_linear, len);
+ /*
+ * translate back to address even when do_write() fails,
+ * so that this function never changes the data.
+ */
+ bpf_program__bpil_offs_to_addr(node->info_linear);
+ if (ret < 0)
+ goto out;
+ }
+out:
+ up_read(&env->bpf_progs.lock);
+ return ret;
+}
+#else // HAVE_LIBBPF_SUPPORT
+static int write_bpf_prog_info(struct feat_fd *ff __maybe_unused,
+ struct evlist *evlist __maybe_unused)
+{
+ return 0;
+}
+#endif // HAVE_LIBBPF_SUPPORT
+
+static int write_bpf_btf(struct feat_fd *ff,
+ struct evlist *evlist __maybe_unused)
+{
+ struct perf_env *env = &ff->ph->env;
+ struct rb_root *root;
+ struct rb_node *next;
+ int ret;
+
+ down_read(&env->bpf_progs.lock);
+
+ ret = do_write(ff, &env->bpf_progs.btfs_cnt,
+ sizeof(env->bpf_progs.btfs_cnt));
+
+ if (ret < 0)
+ goto out;
+
+ root = &env->bpf_progs.btfs;
+ next = rb_first(root);
+ while (next) {
+ struct btf_node *node;
+
+ node = rb_entry(next, struct btf_node, rb_node);
+ next = rb_next(&node->rb_node);
+ ret = do_write(ff, &node->id,
+ sizeof(u32) * 2 + node->data_size);
+ if (ret < 0)
+ goto out;
+ }
+out:
+ up_read(&env->bpf_progs.lock);
+ return ret;
}
static int cpu_cache_level__sort(const void *a, const void *b)
@@ -1101,26 +1095,26 @@
return -1;
cache->type[len] = 0;
- cache->type = rtrim(cache->type);
+ cache->type = strim(cache->type);
scnprintf(file, PATH_MAX, "%s/size", path);
if (sysfs__read_str(file, &cache->size, &len)) {
- free(cache->type);
+ zfree(&cache->type);
return -1;
}
cache->size[len] = 0;
- cache->size = rtrim(cache->size);
+ cache->size = strim(cache->size);
scnprintf(file, PATH_MAX, "%s/shared_cpu_list", path);
if (sysfs__read_str(file, &cache->map, &len)) {
- free(cache->size);
- free(cache->type);
+ zfree(&cache->size);
+ zfree(&cache->type);
return -1;
}
cache->map[len] = 0;
- cache->map = rtrim(cache->map);
+ cache->map = strim(cache->map);
return 0;
}
@@ -1129,21 +1123,18 @@
fprintf(out, "L%d %-15s %8s [%s]\n", c->level, c->type, c->size, c->map);
}
-static int build_caches(struct cpu_cache_level caches[], u32 size, u32 *cntp)
+#define MAX_CACHE_LVL 4
+
+static int build_caches(struct cpu_cache_level caches[], u32 *cntp)
{
u32 i, cnt = 0;
- long ncpus;
u32 nr, cpu;
u16 level;
- ncpus = sysconf(_SC_NPROCESSORS_CONF);
- if (ncpus < 0)
- return -1;
-
- nr = (u32)(ncpus & UINT_MAX);
+ nr = cpu__max_cpu();
for (cpu = 0; cpu < nr; cpu++) {
- for (level = 0; level < 10; level++) {
+ for (level = 0; level < MAX_CACHE_LVL; level++) {
struct cpu_cache_level c;
int err;
@@ -1163,26 +1154,21 @@
caches[cnt++] = c;
else
cpu_cache_level__free(&c);
-
- if (WARN_ONCE(cnt == size, "way too many cpu caches.."))
- goto out;
}
}
- out:
*cntp = cnt;
return 0;
}
-#define MAX_CACHES (MAX_NR_CPUS * 4)
-
static int write_cache(struct feat_fd *ff,
- struct perf_evlist *evlist __maybe_unused)
+ struct evlist *evlist __maybe_unused)
{
- struct cpu_cache_level caches[MAX_CACHES];
+ u32 max_caches = cpu__max_cpu() * MAX_CACHE_LVL;
+ struct cpu_cache_level caches[max_caches];
u32 cnt = 0, i, version = 1;
int ret;
- ret = build_caches(caches, MAX_CACHES, &cnt);
+ ret = build_caches(caches, &cnt);
if (ret)
goto out;
@@ -1228,13 +1214,13 @@
}
static int write_stat(struct feat_fd *ff __maybe_unused,
- struct perf_evlist *evlist __maybe_unused)
+ struct evlist *evlist __maybe_unused)
{
return 0;
}
static int write_sample_time(struct feat_fd *ff,
- struct perf_evlist *evlist)
+ struct evlist *evlist)
{
int ret;
@@ -1335,8 +1321,10 @@
continue;
if (WARN_ONCE(cnt >= size,
- "failed to write MEM_TOPOLOGY, way too many nodes\n"))
+ "failed to write MEM_TOPOLOGY, way too many nodes\n")) {
+ closedir(dir);
return -1;
+ }
ret = memory_node__read(&nodes[cnt++], idx);
}
@@ -1368,7 +1356,7 @@
* 48 - bitmap | bitmap of memory indexes that belongs to node
*/
static int write_mem_topology(struct feat_fd *ff __maybe_unused,
- struct perf_evlist *evlist __maybe_unused)
+ struct evlist *evlist __maybe_unused)
{
static struct memory_node nodes[MAX_MEMORY_NODES];
u64 bsize, version = 1, i, nr;
@@ -1414,6 +1402,62 @@
}
out:
+ return ret;
+}
+
+static int write_compressed(struct feat_fd *ff __maybe_unused,
+ struct evlist *evlist __maybe_unused)
+{
+ int ret;
+
+ ret = do_write(ff, &(ff->ph->env.comp_ver), sizeof(ff->ph->env.comp_ver));
+ if (ret)
+ return ret;
+
+ ret = do_write(ff, &(ff->ph->env.comp_type), sizeof(ff->ph->env.comp_type));
+ if (ret)
+ return ret;
+
+ ret = do_write(ff, &(ff->ph->env.comp_level), sizeof(ff->ph->env.comp_level));
+ if (ret)
+ return ret;
+
+ ret = do_write(ff, &(ff->ph->env.comp_ratio), sizeof(ff->ph->env.comp_ratio));
+ if (ret)
+ return ret;
+
+ return do_write(ff, &(ff->ph->env.comp_mmap_len), sizeof(ff->ph->env.comp_mmap_len));
+}
+
+static int write_cpu_pmu_caps(struct feat_fd *ff,
+ struct evlist *evlist __maybe_unused)
+{
+ struct perf_pmu *cpu_pmu = perf_pmu__find("cpu");
+ struct perf_pmu_caps *caps = NULL;
+ int nr_caps;
+ int ret;
+
+ if (!cpu_pmu)
+ return -ENOENT;
+
+ nr_caps = perf_pmu__caps_parse(cpu_pmu);
+ if (nr_caps < 0)
+ return nr_caps;
+
+ ret = do_write(ff, &nr_caps, sizeof(nr_caps));
+ if (ret < 0)
+ return ret;
+
+ list_for_each_entry(caps, &cpu_pmu->caps, list) {
+ ret = do_write_string(ff, caps->name);
+ if (ret < 0)
+ return ret;
+
+ ret = do_write_string(ff, caps->value);
+ if (ret < 0)
+ return ret;
+ }
+
return ret;
}
@@ -1488,8 +1532,18 @@
str = ph->env.sibling_cores;
for (i = 0; i < nr; i++) {
- fprintf(fp, "# sibling cores : %s\n", str);
+ fprintf(fp, "# sibling sockets : %s\n", str);
str += strlen(str) + 1;
+ }
+
+ if (ph->env.nr_sibling_dies) {
+ nr = ph->env.nr_sibling_dies;
+ str = ph->env.sibling_dies;
+
+ for (i = 0; i < nr; i++) {
+ fprintf(fp, "# sibling dies : %s\n", str);
+ str += strlen(str) + 1;
+ }
}
nr = ph->env.nr_sibling_threads;
@@ -1500,32 +1554,188 @@
str += strlen(str) + 1;
}
- if (ph->env.cpu != NULL) {
- for (i = 0; i < cpu_nr; i++)
- fprintf(fp, "# CPU %d: Core ID %d, Socket ID %d\n", i,
- ph->env.cpu[i].core_id, ph->env.cpu[i].socket_id);
- } else
- fprintf(fp, "# Core ID and Socket ID information is not available\n");
+ if (ph->env.nr_sibling_dies) {
+ if (ph->env.cpu != NULL) {
+ for (i = 0; i < cpu_nr; i++)
+ fprintf(fp, "# CPU %d: Core ID %d, "
+ "Die ID %d, Socket ID %d\n",
+ i, ph->env.cpu[i].core_id,
+ ph->env.cpu[i].die_id,
+ ph->env.cpu[i].socket_id);
+ } else
+ fprintf(fp, "# Core ID, Die ID and Socket ID "
+ "information is not available\n");
+ } else {
+ if (ph->env.cpu != NULL) {
+ for (i = 0; i < cpu_nr; i++)
+ fprintf(fp, "# CPU %d: Core ID %d, "
+ "Socket ID %d\n",
+ i, ph->env.cpu[i].core_id,
+ ph->env.cpu[i].socket_id);
+ } else
+ fprintf(fp, "# Core ID and Socket ID "
+ "information is not available\n");
+ }
}
-static void free_event_desc(struct perf_evsel *events)
+static void print_clockid(struct feat_fd *ff, FILE *fp)
{
- struct perf_evsel *evsel;
+ fprintf(fp, "# clockid frequency: %"PRIu64" MHz\n",
+ ff->ph->env.clock.clockid_res_ns * 1000);
+}
+
+static void print_clock_data(struct feat_fd *ff, FILE *fp)
+{
+ struct timespec clockid_ns;
+ char tstr[64], date[64];
+ struct timeval tod_ns;
+ clockid_t clockid;
+ struct tm ltime;
+ u64 ref;
+
+ if (!ff->ph->env.clock.enabled) {
+ fprintf(fp, "# reference time disabled\n");
+ return;
+ }
+
+ /* Compute TOD time. */
+ ref = ff->ph->env.clock.tod_ns;
+ tod_ns.tv_sec = ref / NSEC_PER_SEC;
+ ref -= tod_ns.tv_sec * NSEC_PER_SEC;
+ tod_ns.tv_usec = ref / NSEC_PER_USEC;
+
+ /* Compute clockid time. */
+ ref = ff->ph->env.clock.clockid_ns;
+ clockid_ns.tv_sec = ref / NSEC_PER_SEC;
+ ref -= clockid_ns.tv_sec * NSEC_PER_SEC;
+ clockid_ns.tv_nsec = ref;
+
+ clockid = ff->ph->env.clock.clockid;
+
+ if (localtime_r(&tod_ns.tv_sec, <ime) == NULL)
+ snprintf(tstr, sizeof(tstr), "<error>");
+ else {
+ strftime(date, sizeof(date), "%F %T", <ime);
+ scnprintf(tstr, sizeof(tstr), "%s.%06d",
+ date, (int) tod_ns.tv_usec);
+ }
+
+ fprintf(fp, "# clockid: %s (%u)\n", clockid_name(clockid), clockid);
+ fprintf(fp, "# reference time: %s = %ld.%06d (TOD) = %ld.%09ld (%s)\n",
+ tstr, tod_ns.tv_sec, (int) tod_ns.tv_usec,
+ clockid_ns.tv_sec, clockid_ns.tv_nsec,
+ clockid_name(clockid));
+}
+
+static void print_dir_format(struct feat_fd *ff, FILE *fp)
+{
+ struct perf_session *session;
+ struct perf_data *data;
+
+ session = container_of(ff->ph, struct perf_session, header);
+ data = session->data;
+
+ fprintf(fp, "# directory data version : %"PRIu64"\n", data->dir.version);
+}
+
+static void print_bpf_prog_info(struct feat_fd *ff, FILE *fp)
+{
+ struct perf_env *env = &ff->ph->env;
+ struct rb_root *root;
+ struct rb_node *next;
+
+ down_read(&env->bpf_progs.lock);
+
+ root = &env->bpf_progs.infos;
+ next = rb_first(root);
+
+ while (next) {
+ struct bpf_prog_info_node *node;
+
+ node = rb_entry(next, struct bpf_prog_info_node, rb_node);
+ next = rb_next(&node->rb_node);
+
+ bpf_event__print_bpf_prog_info(&node->info_linear->info,
+ env, fp);
+ }
+
+ up_read(&env->bpf_progs.lock);
+}
+
+static void print_bpf_btf(struct feat_fd *ff, FILE *fp)
+{
+ struct perf_env *env = &ff->ph->env;
+ struct rb_root *root;
+ struct rb_node *next;
+
+ down_read(&env->bpf_progs.lock);
+
+ root = &env->bpf_progs.btfs;
+ next = rb_first(root);
+
+ while (next) {
+ struct btf_node *node;
+
+ node = rb_entry(next, struct btf_node, rb_node);
+ next = rb_next(&node->rb_node);
+ fprintf(fp, "# btf info of id %u\n", node->id);
+ }
+
+ up_read(&env->bpf_progs.lock);
+}
+
+static void free_event_desc(struct evsel *events)
+{
+ struct evsel *evsel;
if (!events)
return;
- for (evsel = events; evsel->attr.size; evsel++) {
+ for (evsel = events; evsel->core.attr.size; evsel++) {
zfree(&evsel->name);
- zfree(&evsel->id);
+ zfree(&evsel->core.id);
}
free(events);
}
-static struct perf_evsel *read_event_desc(struct feat_fd *ff)
+static bool perf_attr_check(struct perf_event_attr *attr)
{
- struct perf_evsel *evsel, *events = NULL;
+ if (attr->__reserved_1 || attr->__reserved_2 || attr->__reserved_3) {
+ pr_warning("Reserved bits are set unexpectedly. "
+ "Please update perf tool.\n");
+ return false;
+ }
+
+ if (attr->sample_type & ~(PERF_SAMPLE_MAX-1)) {
+ pr_warning("Unknown sample type (0x%llx) is detected. "
+ "Please update perf tool.\n",
+ attr->sample_type);
+ return false;
+ }
+
+ if (attr->read_format & ~(PERF_FORMAT_MAX-1)) {
+ pr_warning("Unknown read format (0x%llx) is detected. "
+ "Please update perf tool.\n",
+ attr->read_format);
+ return false;
+ }
+
+ if ((attr->sample_type & PERF_SAMPLE_BRANCH_STACK) &&
+ (attr->branch_sample_type & ~(PERF_SAMPLE_BRANCH_MAX-1))) {
+ pr_warning("Unknown branch sample type (0x%llx) is detected. "
+ "Please update perf tool.\n",
+ attr->branch_sample_type);
+
+ return false;
+ }
+
+ return true;
+}
+
+static struct evsel *read_event_desc(struct feat_fd *ff)
+{
+ struct evsel *evsel, *events = NULL;
u64 *id;
void *buf = NULL;
u32 nre, sz, nr, i, j;
@@ -1543,12 +1753,12 @@
if (!buf)
goto error;
- /* the last event terminates with evsel->attr.size == 0: */
+ /* the last event terminates with evsel->core.attr.size == 0: */
events = calloc(nre + 1, sizeof(*events));
if (!events)
goto error;
- msz = sizeof(evsel->attr);
+ msz = sizeof(evsel->core.attr);
if (sz < msz)
msz = sz;
@@ -1565,7 +1775,10 @@
if (ff->ph->needs_swap)
perf_event__attr_swap(buf);
- memcpy(&evsel->attr, buf, msz);
+ memcpy(&evsel->core.attr, buf, msz);
+
+ if (!perf_attr_check(&evsel->core.attr))
+ goto error;
if (do_read_u32(ff, &nr))
goto error;
@@ -1583,8 +1796,8 @@
id = calloc(nr, sizeof(*id));
if (!id)
goto error;
- evsel->ids = nr;
- evsel->id = id;
+ evsel->core.ids = nr;
+ evsel->core.id = id;
for (j = 0 ; j < nr; j++) {
if (do_read_u64(ff, id))
@@ -1609,7 +1822,7 @@
static void print_event_desc(struct feat_fd *ff, FILE *fp)
{
- struct perf_evsel *evsel, *events;
+ struct evsel *evsel, *events;
u32 j;
u64 *id;
@@ -1623,12 +1836,12 @@
return;
}
- for (evsel = events; evsel->attr.size; evsel++) {
+ for (evsel = events; evsel->core.attr.size; evsel++) {
fprintf(fp, "# event : name = %s, ", evsel->name);
- if (evsel->ids) {
+ if (evsel->core.ids) {
fprintf(fp, ", id = {");
- for (j = 0, id = evsel->id; j < evsel->ids; j++, id++) {
+ for (j = 0, id = evsel->core.id; j < evsel->core.ids; j++, id++) {
if (j)
fputc(',', fp);
fprintf(fp, " %"PRIu64, *id);
@@ -1636,7 +1849,7 @@
fprintf(fp, " }");
}
- perf_event_attr__fprintf(fp, &evsel->attr, __desc_attr__fprintf, NULL);
+ perf_event_attr__fprintf(fp, &evsel->core.attr, __desc_attr__fprintf, NULL);
fputc('\n', fp);
}
@@ -1698,6 +1911,34 @@
}
}
+static void print_compressed(struct feat_fd *ff, FILE *fp)
+{
+ fprintf(fp, "# compressed : %s, level = %d, ratio = %d\n",
+ ff->ph->env.comp_type == PERF_COMP_ZSTD ? "Zstd" : "Unknown",
+ ff->ph->env.comp_level, ff->ph->env.comp_ratio);
+}
+
+static void print_cpu_pmu_caps(struct feat_fd *ff, FILE *fp)
+{
+ const char *delimiter = "# cpu pmu capabilities: ";
+ u32 nr_caps = ff->ph->env.nr_cpu_pmu_caps;
+ char *str;
+
+ if (!nr_caps) {
+ fprintf(fp, "# cpu pmu capabilities: not available\n");
+ return;
+ }
+
+ str = ff->ph->env.cpu_pmu_caps;
+ while (nr_caps--) {
+ fprintf(fp, "%s%s", delimiter, str);
+ delimiter = ", ";
+ str += strlen(str) + 1;
+ }
+
+ fprintf(fp, "\n");
+}
+
static void print_pmu_mappings(struct feat_fd *ff, FILE *fp)
{
const char *delimiter = "# pmu mappings: ";
@@ -1737,20 +1978,18 @@
static void print_group_desc(struct feat_fd *ff, FILE *fp)
{
struct perf_session *session;
- struct perf_evsel *evsel;
+ struct evsel *evsel;
u32 nr = 0;
session = container_of(ff->ph, struct perf_session, header);
evlist__for_each_entry(session->evlist, evsel) {
- if (perf_evsel__is_group_leader(evsel) &&
- evsel->nr_members > 1) {
- fprintf(fp, "# group: %s{%s", evsel->group_name ?: "",
- perf_evsel__name(evsel));
+ if (evsel__is_group_leader(evsel) && evsel->core.nr_members > 1) {
+ fprintf(fp, "# group: %s{%s", evsel->group_name ?: "", evsel__name(evsel));
- nr = evsel->nr_members - 1;
+ nr = evsel->core.nr_members - 1;
} else if (nr) {
- fprintf(fp, ",%s", perf_evsel__name(evsel));
+ fprintf(fp, ",%s", evsel__name(evsel));
if (--nr == 0)
fprintf(fp, "}\n");
@@ -1809,7 +2048,7 @@
}
}
-static int __event_process_build_id(struct build_id_event *bev,
+static int __event_process_build_id(struct perf_record_header_build_id *bev,
char *filename,
struct perf_session *session)
{
@@ -1817,7 +2056,7 @@
struct machine *machine;
u16 cpumode;
struct dso *dso;
- enum dso_kernel_type dso_type;
+ enum dso_space_type dso_space;
machine = perf_session__findnew_machine(session, bev->pid);
if (!machine)
@@ -1827,14 +2066,14 @@
switch (cpumode) {
case PERF_RECORD_MISC_KERNEL:
- dso_type = DSO_TYPE_KERNEL;
+ dso_space = DSO_SPACE__KERNEL;
break;
case PERF_RECORD_MISC_GUEST_KERNEL:
- dso_type = DSO_TYPE_GUEST_KERNEL;
+ dso_space = DSO_SPACE__KERNEL_GUEST;
break;
case PERF_RECORD_MISC_USER:
case PERF_RECORD_MISC_GUEST_USER:
- dso_type = DSO_TYPE_USER;
+ dso_space = DSO_SPACE__USER;
break;
default:
goto out;
@@ -1843,24 +2082,28 @@
dso = machine__findnew_dso(machine, filename);
if (dso != NULL) {
char sbuild_id[SBUILD_ID_SIZE];
+ struct build_id bid;
+ size_t size = BUILD_ID_SIZE;
- dso__set_build_id(dso, &bev->build_id);
+ if (bev->header.misc & PERF_RECORD_MISC_BUILD_ID_SIZE)
+ size = bev->size;
- if (dso_type != DSO_TYPE_USER) {
+ build_id__init(&bid, bev->data, size);
+ dso__set_build_id(dso, &bid);
+
+ if (dso_space != DSO_SPACE__USER) {
struct kmod_path m = { .name = NULL, };
if (!kmod_path__parse_name(&m, filename) && m.kmod)
dso__set_module_info(dso, &m, machine);
- else
- dso->kernel = dso_type;
+ dso->kernel = dso_space;
free(m.name);
}
- build_id__sprintf(dso->build_id, sizeof(dso->build_id),
- sbuild_id);
- pr_debug("build id event received for %s: %s\n",
- dso->long_name, sbuild_id);
+ build_id__sprintf(&dso->bid, sbuild_id);
+ pr_debug("build id event received for %s: %s [%zu]\n",
+ dso->long_name, sbuild_id, size);
dso__put(dso);
}
@@ -1878,7 +2121,7 @@
u8 build_id[PERF_ALIGN(BUILD_ID_SIZE, sizeof(u64))];
char filename[0];
} old_bev;
- struct build_id_event bev;
+ struct perf_record_header_build_id bev;
char filename[PATH_MAX];
u64 limit = offset + size;
@@ -1919,7 +2162,7 @@
int input, u64 offset, u64 size)
{
struct perf_session *session = container_of(header, struct perf_session, header);
- struct build_id_event bev;
+ struct perf_record_header_build_id bev;
char filename[PATH_MAX];
u64 limit = offset + size, orig_offset = offset;
int err = -1;
@@ -1941,7 +2184,7 @@
*
* "perf: 'perf kvm' tool for monitoring guest performance from host"
*
- * Added a field to struct build_id_event that broke the file
+ * Added a field to struct perf_record_header_build_id that broke the file
* format.
*
* Since the kernel build-id is the first entry, process the
@@ -2022,10 +2265,10 @@
return 0;
}
-static struct perf_evsel *
-perf_evlist__find_by_index(struct perf_evlist *evlist, int idx)
+static struct evsel *
+perf_evlist__find_by_index(struct evlist *evlist, int idx)
{
- struct perf_evsel *evsel;
+ struct evsel *evsel;
evlist__for_each_entry(evlist, evsel) {
if (evsel->idx == idx)
@@ -2036,10 +2279,10 @@
}
static void
-perf_evlist__set_event_name(struct perf_evlist *evlist,
- struct perf_evsel *event)
+perf_evlist__set_event_name(struct evlist *evlist,
+ struct evsel *event)
{
- struct perf_evsel *evsel;
+ struct evsel *evsel;
if (!event->name)
return;
@@ -2058,7 +2301,7 @@
process_event_desc(struct feat_fd *ff, void *data __maybe_unused)
{
struct perf_session *session;
- struct perf_evsel *evsel, *events = read_event_desc(ff);
+ struct evsel *evsel, *events = read_event_desc(ff);
if (!events)
return 0;
@@ -2071,7 +2314,7 @@
ff->events = events;
}
- for (evsel = events; evsel->attr.size; evsel++)
+ for (evsel = events; evsel->core.attr.size; evsel++)
perf_evlist__set_event_name(session->evlist, evsel);
if (!session->data->is_pipe)
@@ -2195,6 +2438,7 @@
goto free_cpu;
ph->env.cpu[i].core_id = nr;
+ size += sizeof(u32);
if (do_read_u32(ff, &nr))
goto free_cpu;
@@ -2206,6 +2450,40 @@
}
ph->env.cpu[i].socket_id = nr;
+ size += sizeof(u32);
+ }
+
+ /*
+ * The header may be from old perf,
+ * which doesn't include die information.
+ */
+ if (ff->size <= size)
+ return 0;
+
+ if (do_read_u32(ff, &nr))
+ return -1;
+
+ ph->env.nr_sibling_dies = nr;
+ size += sizeof(u32);
+
+ for (i = 0; i < nr; i++) {
+ str = do_read_string(ff);
+ if (!str)
+ goto error;
+
+ /* include a NULL character at the end */
+ if (strbuf_add(&sb, str, strlen(str) + 1) < 0)
+ goto error;
+ size += string_size(str);
+ free(str);
+ }
+ ph->env.sibling_dies = strbuf_detach(&sb, NULL);
+
+ for (i = 0; i < (u32)cpu_nr; i++) {
+ if (do_read_u32(ff, &nr))
+ goto free_cpu;
+
+ ph->env.cpu[i].die_id = nr;
}
return 0;
@@ -2248,7 +2526,7 @@
if (!str)
goto error;
- n->map = cpu_map__new(str);
+ n->map = perf_cpu_map__new(str);
if (!n->map)
goto error;
@@ -2315,7 +2593,7 @@
size_t ret = -1;
u32 i, nr, nr_groups;
struct perf_session *session;
- struct perf_evsel *evsel, *leader = NULL;
+ struct evsel *evsel, *leader = NULL;
struct group_desc {
char *name;
u32 leader_idx;
@@ -2362,7 +2640,7 @@
evsel->group_name = desc[i].name;
desc[i].name = NULL;
}
- evsel->nr_members = desc[i].nr_members;
+ evsel->core.nr_members = desc[i].nr_members;
if (i >= nr_groups || nr > 0) {
pr_debug("invalid group desc\n");
@@ -2370,7 +2648,7 @@
}
leader = evsel;
- nr = evsel->nr_members - 1;
+ nr = evsel->core.nr_members - 1;
i++;
} else if (nr) {
/* This is a group member */
@@ -2533,14 +2811,260 @@
return ret;
}
-struct feature_ops {
- int (*write)(struct feat_fd *ff, struct perf_evlist *evlist);
- void (*print)(struct feat_fd *ff, FILE *fp);
- int (*process)(struct feat_fd *ff, void *data);
- const char *name;
- bool full_only;
- bool synthesize;
-};
+static int process_clockid(struct feat_fd *ff,
+ void *data __maybe_unused)
+{
+ if (do_read_u64(ff, &ff->ph->env.clock.clockid_res_ns))
+ return -1;
+
+ return 0;
+}
+
+static int process_clock_data(struct feat_fd *ff,
+ void *_data __maybe_unused)
+{
+ u32 data32;
+ u64 data64;
+
+ /* version */
+ if (do_read_u32(ff, &data32))
+ return -1;
+
+ if (data32 != 1)
+ return -1;
+
+ /* clockid */
+ if (do_read_u32(ff, &data32))
+ return -1;
+
+ ff->ph->env.clock.clockid = data32;
+
+ /* TOD ref time */
+ if (do_read_u64(ff, &data64))
+ return -1;
+
+ ff->ph->env.clock.tod_ns = data64;
+
+ /* clockid ref time */
+ if (do_read_u64(ff, &data64))
+ return -1;
+
+ ff->ph->env.clock.clockid_ns = data64;
+ ff->ph->env.clock.enabled = true;
+ return 0;
+}
+
+static int process_dir_format(struct feat_fd *ff,
+ void *_data __maybe_unused)
+{
+ struct perf_session *session;
+ struct perf_data *data;
+
+ session = container_of(ff->ph, struct perf_session, header);
+ data = session->data;
+
+ if (WARN_ON(!perf_data__is_dir(data)))
+ return -1;
+
+ return do_read_u64(ff, &data->dir.version);
+}
+
+#ifdef HAVE_LIBBPF_SUPPORT
+static int process_bpf_prog_info(struct feat_fd *ff, void *data __maybe_unused)
+{
+ struct bpf_prog_info_linear *info_linear;
+ struct bpf_prog_info_node *info_node;
+ struct perf_env *env = &ff->ph->env;
+ u32 count, i;
+ int err = -1;
+
+ if (ff->ph->needs_swap) {
+ pr_warning("interpreting bpf_prog_info from systems with endianity is not yet supported\n");
+ return 0;
+ }
+
+ if (do_read_u32(ff, &count))
+ return -1;
+
+ down_write(&env->bpf_progs.lock);
+
+ for (i = 0; i < count; ++i) {
+ u32 info_len, data_len;
+
+ info_linear = NULL;
+ info_node = NULL;
+ if (do_read_u32(ff, &info_len))
+ goto out;
+ if (do_read_u32(ff, &data_len))
+ goto out;
+
+ if (info_len > sizeof(struct bpf_prog_info)) {
+ pr_warning("detected invalid bpf_prog_info\n");
+ goto out;
+ }
+
+ info_linear = malloc(sizeof(struct bpf_prog_info_linear) +
+ data_len);
+ if (!info_linear)
+ goto out;
+ info_linear->info_len = sizeof(struct bpf_prog_info);
+ info_linear->data_len = data_len;
+ if (do_read_u64(ff, (u64 *)(&info_linear->arrays)))
+ goto out;
+ if (__do_read(ff, &info_linear->info, info_len))
+ goto out;
+ if (info_len < sizeof(struct bpf_prog_info))
+ memset(((void *)(&info_linear->info)) + info_len, 0,
+ sizeof(struct bpf_prog_info) - info_len);
+
+ if (__do_read(ff, info_linear->data, data_len))
+ goto out;
+
+ info_node = malloc(sizeof(struct bpf_prog_info_node));
+ if (!info_node)
+ goto out;
+
+ /* after reading from file, translate offset to address */
+ bpf_program__bpil_offs_to_addr(info_linear);
+ info_node->info_linear = info_linear;
+ perf_env__insert_bpf_prog_info(env, info_node);
+ }
+
+ up_write(&env->bpf_progs.lock);
+ return 0;
+out:
+ free(info_linear);
+ free(info_node);
+ up_write(&env->bpf_progs.lock);
+ return err;
+}
+#else // HAVE_LIBBPF_SUPPORT
+static int process_bpf_prog_info(struct feat_fd *ff __maybe_unused, void *data __maybe_unused)
+{
+ return 0;
+}
+#endif // HAVE_LIBBPF_SUPPORT
+
+static int process_bpf_btf(struct feat_fd *ff, void *data __maybe_unused)
+{
+ struct perf_env *env = &ff->ph->env;
+ struct btf_node *node = NULL;
+ u32 count, i;
+ int err = -1;
+
+ if (ff->ph->needs_swap) {
+ pr_warning("interpreting btf from systems with endianity is not yet supported\n");
+ return 0;
+ }
+
+ if (do_read_u32(ff, &count))
+ return -1;
+
+ down_write(&env->bpf_progs.lock);
+
+ for (i = 0; i < count; ++i) {
+ u32 id, data_size;
+
+ if (do_read_u32(ff, &id))
+ goto out;
+ if (do_read_u32(ff, &data_size))
+ goto out;
+
+ node = malloc(sizeof(struct btf_node) + data_size);
+ if (!node)
+ goto out;
+
+ node->id = id;
+ node->data_size = data_size;
+
+ if (__do_read(ff, node->data, data_size))
+ goto out;
+
+ perf_env__insert_btf(env, node);
+ node = NULL;
+ }
+
+ err = 0;
+out:
+ up_write(&env->bpf_progs.lock);
+ free(node);
+ return err;
+}
+
+static int process_compressed(struct feat_fd *ff,
+ void *data __maybe_unused)
+{
+ if (do_read_u32(ff, &(ff->ph->env.comp_ver)))
+ return -1;
+
+ if (do_read_u32(ff, &(ff->ph->env.comp_type)))
+ return -1;
+
+ if (do_read_u32(ff, &(ff->ph->env.comp_level)))
+ return -1;
+
+ if (do_read_u32(ff, &(ff->ph->env.comp_ratio)))
+ return -1;
+
+ if (do_read_u32(ff, &(ff->ph->env.comp_mmap_len)))
+ return -1;
+
+ return 0;
+}
+
+static int process_cpu_pmu_caps(struct feat_fd *ff,
+ void *data __maybe_unused)
+{
+ char *name, *value;
+ struct strbuf sb;
+ u32 nr_caps;
+
+ if (do_read_u32(ff, &nr_caps))
+ return -1;
+
+ if (!nr_caps) {
+ pr_debug("cpu pmu capabilities not available\n");
+ return 0;
+ }
+
+ ff->ph->env.nr_cpu_pmu_caps = nr_caps;
+
+ if (strbuf_init(&sb, 128) < 0)
+ return -1;
+
+ while (nr_caps--) {
+ name = do_read_string(ff);
+ if (!name)
+ goto error;
+
+ value = do_read_string(ff);
+ if (!value)
+ goto free_name;
+
+ if (strbuf_addf(&sb, "%s=%s", name, value) < 0)
+ goto free_value;
+
+ /* include a NULL character at the end */
+ if (strbuf_add(&sb, "", 1) < 0)
+ goto free_value;
+
+ if (!strcmp(name, "branches"))
+ ff->ph->env.max_branches = atoi(value);
+
+ free(value);
+ free(name);
+ }
+ ff->ph->env.cpu_pmu_caps = strbuf_detach(&sb, NULL);
+ return 0;
+
+free_value:
+ free(value);
+free_name:
+ free(name);
+error:
+ strbuf_release(&sb);
+ return -1;
+}
#define FEAT_OPR(n, func, __full_only) \
[HEADER_##n] = { \
@@ -2568,8 +3092,10 @@
#define process_branch_stack NULL
#define process_stat NULL
+// Only used in util/synthetic-events.c
+const struct perf_header_feature_ops feat_ops[HEADER_LAST_FEATURE];
-static const struct feature_ops feat_ops[HEADER_LAST_FEATURE] = {
+const struct perf_header_feature_ops feat_ops[HEADER_LAST_FEATURE] = {
FEAT_OPN(TRACING_DATA, tracing_data, false),
FEAT_OPN(BUILD_ID, build_id, false),
FEAT_OPR(HOSTNAME, hostname, false),
@@ -2592,6 +3118,13 @@
FEAT_OPN(CACHE, cache, true),
FEAT_OPR(SAMPLE_TIME, sample_time, false),
FEAT_OPR(MEM_TOPOLOGY, mem_topology, true),
+ FEAT_OPR(CLOCKID, clockid, false),
+ FEAT_OPN(DIR_FORMAT, dir_format, false),
+ FEAT_OPR(BPF_PROG_INFO, bpf_prog_info, false),
+ FEAT_OPR(BPF_BTF, bpf_btf, false),
+ FEAT_OPR(COMPRESSED, compressed, false),
+ FEAT_OPR(CPU_PMU_CAPS, cpu_pmu_caps, false),
+ FEAT_OPR(CLOCK_DATA, clock_data, false),
};
struct header_print_data {
@@ -2648,7 +3181,7 @@
if (ret == -1)
return -1;
- stctime = st.st_ctime;
+ stctime = st.st_mtime;
fprintf(fp, "# captured on : %s", ctime(&stctime));
fprintf(fp, "# header version : %u\n", header->version);
@@ -2674,7 +3207,7 @@
static int do_write_feat(struct feat_fd *ff, int type,
struct perf_file_section **p,
- struct perf_evlist *evlist)
+ struct evlist *evlist)
{
int err;
int ret = 0;
@@ -2704,7 +3237,7 @@
}
static int perf_header__adds_write(struct perf_header *header,
- struct perf_evlist *evlist, int fd)
+ struct evlist *evlist, int fd)
{
int nr_sections;
struct feat_fd ff;
@@ -2740,7 +3273,7 @@
lseek(fd, sec_start, SEEK_SET);
/*
* may write more than needed due to dropped feature, but
- * this is okay, reader will skip the mising entries
+ * this is okay, reader will skip the missing entries
*/
err = do_write(&ff, feat_sec, sec_size);
if (err < 0)
@@ -2772,13 +3305,13 @@
}
int perf_session__write_header(struct perf_session *session,
- struct perf_evlist *evlist,
+ struct evlist *evlist,
int fd, bool at_exit)
{
struct perf_file_header f_header;
struct perf_file_attr f_attr;
struct perf_header *header = &session->header;
- struct perf_evsel *evsel;
+ struct evsel *evsel;
struct feat_fd ff;
u64 attr_offset;
int err;
@@ -2788,7 +3321,7 @@
evlist__for_each_entry(session->evlist, evsel) {
evsel->id_offset = lseek(fd, 0, SEEK_CUR);
- err = do_write(&ff, evsel->id, evsel->ids * sizeof(u64));
+ err = do_write(&ff, evsel->core.id, evsel->core.ids * sizeof(u64));
if (err < 0) {
pr_debug("failed to write perf header\n");
return err;
@@ -2799,10 +3332,10 @@
evlist__for_each_entry(evlist, evsel) {
f_attr = (struct perf_file_attr){
- .attr = evsel->attr,
+ .attr = evsel->core.attr,
.ids = {
.offset = evsel->id_offset,
- .size = evsel->ids * sizeof(u64),
+ .size = evsel->core.ids * sizeof(u64),
}
};
err = do_write(&ff, &f_attr, sizeof(f_attr));
@@ -2828,7 +3361,7 @@
.attr_size = sizeof(f_attr),
.attrs = {
.offset = attr_offset,
- .size = evlist->nr_entries * sizeof(f_attr),
+ .size = evlist->core.nr_entries * sizeof(f_attr),
},
.data = {
.offset = header->data_offset,
@@ -3158,7 +3691,7 @@
return -EINVAL;
}
- return 0;
+ return f_header.size == sizeof(f_header) ? 0 : -1;
}
static int read_attr(int fd, struct perf_header *ph,
@@ -3207,10 +3740,10 @@
return ret <= 0 ? -1 : 0;
}
-static int perf_evsel__prepare_tracepoint_event(struct perf_evsel *evsel,
+static int perf_evsel__prepare_tracepoint_event(struct evsel *evsel,
struct tep_handle *pevent)
{
- struct event_format *event;
+ struct tep_event *event;
char bf[128];
/* already prepared */
@@ -3222,9 +3755,9 @@
return -1;
}
- event = tep_find_event(pevent, evsel->attr.config);
+ event = tep_find_event(pevent, evsel->core.attr.config);
if (event == NULL) {
- pr_debug("cannot find event format for %d\n", (int)evsel->attr.config);
+ pr_debug("cannot find event format for %d\n", (int)evsel->core.attr.config);
return -1;
}
@@ -3239,13 +3772,13 @@
return 0;
}
-static int perf_evlist__prepare_tracepoint_events(struct perf_evlist *evlist,
+static int perf_evlist__prepare_tracepoint_events(struct evlist *evlist,
struct tep_handle *pevent)
{
- struct perf_evsel *pos;
+ struct evsel *pos;
evlist__for_each_entry(evlist, pos) {
- if (pos->attr.type == PERF_TYPE_TRACEPOINT &&
+ if (pos->core.attr.type == PERF_TYPE_TRACEPOINT &&
perf_evsel__prepare_tracepoint_event(pos, pevent))
return -1;
}
@@ -3260,17 +3793,25 @@
struct perf_file_header f_header;
struct perf_file_attr f_attr;
u64 f_id;
- int nr_attrs, nr_ids, i, j;
+ int nr_attrs, nr_ids, i, j, err;
int fd = perf_data__fd(data);
- session->evlist = perf_evlist__new();
+ session->evlist = evlist__new();
if (session->evlist == NULL)
return -ENOMEM;
session->evlist->env = &header->env;
session->machines.host.env = &header->env;
- if (perf_data__is_pipe(data))
- return perf_header__read_pipe(session);
+
+ /*
+ * We can read 'pipe' data event from regular file,
+ * check for the pipe header regardless of source.
+ */
+ err = perf_header__read_pipe(session);
+ if (!err || (err && perf_data__is_pipe(data))) {
+ data->is_pipe = true;
+ return err;
+ }
if (perf_file_header__read(&f_header, header, fd) < 0)
return -EINVAL;
@@ -3298,7 +3839,7 @@
lseek(fd, f_header.attrs.offset, SEEK_SET);
for (i = 0; i < nr_attrs; i++) {
- struct perf_evsel *evsel;
+ struct evsel *evsel;
off_t tmp;
if (read_attr(fd, header, &f_attr) < 0)
@@ -3311,7 +3852,7 @@
}
tmp = lseek(fd, 0, SEEK_CUR);
- evsel = perf_evsel__new(&f_attr.attr);
+ evsel = evsel__new(&f_attr.attr);
if (evsel == NULL)
goto out_delete_evlist;
@@ -3319,9 +3860,9 @@
evsel->needs_swap = header->needs_swap;
/*
* Do it before so that if perf_evsel__alloc_id fails, this
- * entry gets purged too at perf_evlist__delete().
+ * entry gets purged too at evlist__delete().
*/
- perf_evlist__add(session->evlist, evsel);
+ evlist__add(session->evlist, evsel);
nr_ids = f_attr.ids.size / sizeof(u64);
/*
@@ -3329,7 +3870,7 @@
* for allocating the perf_sample_id table we fake 1 cpu and
* hattr->ids threads.
*/
- if (perf_evsel__alloc_id(evsel, 1, nr_ids))
+ if (perf_evsel__alloc_id(&evsel->core, 1, nr_ids))
goto out_delete_evlist;
lseek(fd, f_attr.ids.offset, SEEK_SET);
@@ -3338,7 +3879,7 @@
if (perf_header__getbuffer64(header, fd, &f_id, sizeof(f_id)))
goto out_errno;
- perf_evlist__id_add(session->evlist, evsel, 0, j, f_id);
+ perf_evlist__id_add(&session->evlist->core, &evsel->core, 0, j, f_id);
}
lseek(fd, tmp, SEEK_SET);
@@ -3356,115 +3897,17 @@
return -errno;
out_delete_evlist:
- perf_evlist__delete(session->evlist);
+ evlist__delete(session->evlist);
session->evlist = NULL;
return -ENOMEM;
}
-int perf_event__synthesize_attr(struct perf_tool *tool,
- struct perf_event_attr *attr, u32 ids, u64 *id,
- perf_event__handler_t process)
+int perf_event__process_feature(struct perf_session *session,
+ union perf_event *event)
{
- union perf_event *ev;
- size_t size;
- int err;
-
- size = sizeof(struct perf_event_attr);
- size = PERF_ALIGN(size, sizeof(u64));
- size += sizeof(struct perf_event_header);
- size += ids * sizeof(u64);
-
- ev = zalloc(size);
-
- if (ev == NULL)
- return -ENOMEM;
-
- ev->attr.attr = *attr;
- memcpy(ev->attr.id, id, ids * sizeof(u64));
-
- ev->attr.header.type = PERF_RECORD_HEADER_ATTR;
- ev->attr.header.size = (u16)size;
-
- if (ev->attr.header.size == size)
- err = process(tool, ev, NULL, NULL);
- else
- err = -E2BIG;
-
- free(ev);
-
- return err;
-}
-
-int perf_event__synthesize_features(struct perf_tool *tool,
- struct perf_session *session,
- struct perf_evlist *evlist,
- perf_event__handler_t process)
-{
- struct perf_header *header = &session->header;
- struct feat_fd ff;
- struct feature_event *fe;
- size_t sz, sz_hdr;
- int feat, ret;
-
- sz_hdr = sizeof(fe->header);
- sz = sizeof(union perf_event);
- /* get a nice alignment */
- sz = PERF_ALIGN(sz, page_size);
-
- memset(&ff, 0, sizeof(ff));
-
- ff.buf = malloc(sz);
- if (!ff.buf)
- return -ENOMEM;
-
- ff.size = sz - sz_hdr;
-
- for_each_set_bit(feat, header->adds_features, HEADER_FEAT_BITS) {
- if (!feat_ops[feat].synthesize) {
- pr_debug("No record header feature for header :%d\n", feat);
- continue;
- }
-
- ff.offset = sizeof(*fe);
-
- ret = feat_ops[feat].write(&ff, evlist);
- if (ret || ff.offset <= (ssize_t)sizeof(*fe)) {
- pr_debug("Error writing feature\n");
- continue;
- }
- /* ff.buf may have changed due to realloc in do_write() */
- fe = ff.buf;
- memset(fe, 0, sizeof(*fe));
-
- fe->feat_id = feat;
- fe->header.type = PERF_RECORD_HEADER_FEATURE;
- fe->header.size = ff.offset;
-
- ret = process(tool, ff.buf, NULL, NULL);
- if (ret) {
- free(ff.buf);
- return ret;
- }
- }
-
- /* Send HEADER_LAST_FEATURE mark. */
- fe = ff.buf;
- fe->feat_id = HEADER_LAST_FEATURE;
- fe->header.type = PERF_RECORD_HEADER_FEATURE;
- fe->header.size = sizeof(*fe);
-
- ret = process(tool, ff.buf, NULL, NULL);
-
- free(ff.buf);
- return ret;
-}
-
-int perf_event__process_feature(struct perf_tool *tool,
- union perf_event *event,
- struct perf_session *session __maybe_unused)
-{
+ struct perf_tool *tool = session->tool;
struct feat_fd ff = { .fd = 0 };
- struct feature_event *fe = (struct feature_event *)event;
+ struct perf_record_header_feature *fe = (struct perf_record_header_feature *)event;
int type = fe->header.type;
u64 feat = fe->feat_id;
@@ -3501,126 +3944,19 @@
return 0;
}
-static struct event_update_event *
-event_update_event__new(size_t size, u64 type, u64 id)
-{
- struct event_update_event *ev;
-
- size += sizeof(*ev);
- size = PERF_ALIGN(size, sizeof(u64));
-
- ev = zalloc(size);
- if (ev) {
- ev->header.type = PERF_RECORD_EVENT_UPDATE;
- ev->header.size = (u16)size;
- ev->type = type;
- ev->id = id;
- }
- return ev;
-}
-
-int
-perf_event__synthesize_event_update_unit(struct perf_tool *tool,
- struct perf_evsel *evsel,
- perf_event__handler_t process)
-{
- struct event_update_event *ev;
- size_t size = strlen(evsel->unit);
- int err;
-
- ev = event_update_event__new(size + 1, PERF_EVENT_UPDATE__UNIT, evsel->id[0]);
- if (ev == NULL)
- return -ENOMEM;
-
- strlcpy(ev->data, evsel->unit, size + 1);
- err = process(tool, (union perf_event *)ev, NULL, NULL);
- free(ev);
- return err;
-}
-
-int
-perf_event__synthesize_event_update_scale(struct perf_tool *tool,
- struct perf_evsel *evsel,
- perf_event__handler_t process)
-{
- struct event_update_event *ev;
- struct event_update_event_scale *ev_data;
- int err;
-
- ev = event_update_event__new(sizeof(*ev_data), PERF_EVENT_UPDATE__SCALE, evsel->id[0]);
- if (ev == NULL)
- return -ENOMEM;
-
- ev_data = (struct event_update_event_scale *) ev->data;
- ev_data->scale = evsel->scale;
- err = process(tool, (union perf_event*) ev, NULL, NULL);
- free(ev);
- return err;
-}
-
-int
-perf_event__synthesize_event_update_name(struct perf_tool *tool,
- struct perf_evsel *evsel,
- perf_event__handler_t process)
-{
- struct event_update_event *ev;
- size_t len = strlen(evsel->name);
- int err;
-
- ev = event_update_event__new(len + 1, PERF_EVENT_UPDATE__NAME, evsel->id[0]);
- if (ev == NULL)
- return -ENOMEM;
-
- strlcpy(ev->data, evsel->name, len + 1);
- err = process(tool, (union perf_event*) ev, NULL, NULL);
- free(ev);
- return err;
-}
-
-int
-perf_event__synthesize_event_update_cpus(struct perf_tool *tool,
- struct perf_evsel *evsel,
- perf_event__handler_t process)
-{
- size_t size = sizeof(struct event_update_event);
- struct event_update_event *ev;
- int max, err;
- u16 type;
-
- if (!evsel->own_cpus)
- return 0;
-
- ev = cpu_map_data__alloc(evsel->own_cpus, &size, &type, &max);
- if (!ev)
- return -ENOMEM;
-
- ev->header.type = PERF_RECORD_EVENT_UPDATE;
- ev->header.size = (u16)size;
- ev->type = PERF_EVENT_UPDATE__CPUS;
- ev->id = evsel->id[0];
-
- cpu_map_data__synthesize((struct cpu_map_data *) ev->data,
- evsel->own_cpus,
- type, max);
-
- err = process(tool, (union perf_event*) ev, NULL, NULL);
- free(ev);
- return err;
-}
-
size_t perf_event__fprintf_event_update(union perf_event *event, FILE *fp)
{
- struct event_update_event *ev = &event->event_update;
- struct event_update_event_scale *ev_scale;
- struct event_update_event_cpus *ev_cpus;
- struct cpu_map *map;
+ struct perf_record_event_update *ev = &event->event_update;
+ struct perf_record_event_update_scale *ev_scale;
+ struct perf_record_event_update_cpus *ev_cpus;
+ struct perf_cpu_map *map;
size_t ret;
- ret = fprintf(fp, "\n... id: %" PRIu64 "\n", ev->id);
+ ret = fprintf(fp, "\n... id: %" PRI_lu64 "\n", ev->id);
switch (ev->type) {
case PERF_EVENT_UPDATE__SCALE:
- ev_scale = (struct event_update_event_scale *) ev->data;
+ ev_scale = (struct perf_record_event_update_scale *)ev->data;
ret += fprintf(fp, "... scale: %f\n", ev_scale->scale);
break;
case PERF_EVENT_UPDATE__UNIT:
@@ -3630,7 +3966,7 @@
ret += fprintf(fp, "... name: %s\n", ev->data);
break;
case PERF_EVENT_UPDATE__CPUS:
- ev_cpus = (struct event_update_event_cpus *) ev->data;
+ ev_cpus = (struct perf_record_event_update_cpus *)ev->data;
ret += fprintf(fp, "... ");
map = cpu_map__new_data(&ev_cpus->cpus);
@@ -3647,112 +3983,25 @@
return ret;
}
-int perf_event__synthesize_attrs(struct perf_tool *tool,
- struct perf_session *session,
- perf_event__handler_t process)
-{
- struct perf_evsel *evsel;
- int err = 0;
-
- evlist__for_each_entry(session->evlist, evsel) {
- err = perf_event__synthesize_attr(tool, &evsel->attr, evsel->ids,
- evsel->id, process);
- if (err) {
- pr_debug("failed to create perf header attribute\n");
- return err;
- }
- }
-
- return err;
-}
-
-static bool has_unit(struct perf_evsel *counter)
-{
- return counter->unit && *counter->unit;
-}
-
-static bool has_scale(struct perf_evsel *counter)
-{
- return counter->scale != 1;
-}
-
-int perf_event__synthesize_extra_attr(struct perf_tool *tool,
- struct perf_evlist *evsel_list,
- perf_event__handler_t process,
- bool is_pipe)
-{
- struct perf_evsel *counter;
- int err;
-
- /*
- * Synthesize other events stuff not carried within
- * attr event - unit, scale, name
- */
- evlist__for_each_entry(evsel_list, counter) {
- if (!counter->supported)
- continue;
-
- /*
- * Synthesize unit and scale only if it's defined.
- */
- if (has_unit(counter)) {
- err = perf_event__synthesize_event_update_unit(tool, counter, process);
- if (err < 0) {
- pr_err("Couldn't synthesize evsel unit.\n");
- return err;
- }
- }
-
- if (has_scale(counter)) {
- err = perf_event__synthesize_event_update_scale(tool, counter, process);
- if (err < 0) {
- pr_err("Couldn't synthesize evsel counter.\n");
- return err;
- }
- }
-
- if (counter->own_cpus) {
- err = perf_event__synthesize_event_update_cpus(tool, counter, process);
- if (err < 0) {
- pr_err("Couldn't synthesize evsel cpus.\n");
- return err;
- }
- }
-
- /*
- * Name is needed only for pipe output,
- * perf.data carries event names.
- */
- if (is_pipe) {
- err = perf_event__synthesize_event_update_name(tool, counter, process);
- if (err < 0) {
- pr_err("Couldn't synthesize evsel name.\n");
- return err;
- }
- }
- }
- return 0;
-}
-
int perf_event__process_attr(struct perf_tool *tool __maybe_unused,
union perf_event *event,
- struct perf_evlist **pevlist)
+ struct evlist **pevlist)
{
u32 i, ids, n_ids;
- struct perf_evsel *evsel;
- struct perf_evlist *evlist = *pevlist;
+ struct evsel *evsel;
+ struct evlist *evlist = *pevlist;
if (evlist == NULL) {
- *pevlist = evlist = perf_evlist__new();
+ *pevlist = evlist = evlist__new();
if (evlist == NULL)
return -ENOMEM;
}
- evsel = perf_evsel__new(&event->attr.attr);
+ evsel = evsel__new(&event->attr.attr);
if (evsel == NULL)
return -ENOMEM;
- perf_evlist__add(evlist, evsel);
+ evlist__add(evlist, evsel);
ids = event->header.size;
ids -= (void *)&event->attr.id - (void *)event;
@@ -3762,11 +4011,11 @@
* for allocating the perf_sample_id table we fake 1 cpu and
* hattr->ids threads.
*/
- if (perf_evsel__alloc_id(evsel, 1, n_ids))
+ if (perf_evsel__alloc_id(&evsel->core, 1, n_ids))
return -ENOMEM;
for (i = 0; i < n_ids; i++) {
- perf_evlist__id_add(evlist, evsel, 0, i, event->attr.id[i]);
+ perf_evlist__id_add(&evlist->core, &evsel->core, 0, i, event->attr.id[i]);
}
return 0;
@@ -3774,14 +4023,14 @@
int perf_event__process_event_update(struct perf_tool *tool __maybe_unused,
union perf_event *event,
- struct perf_evlist **pevlist)
+ struct evlist **pevlist)
{
- struct event_update_event *ev = &event->event_update;
- struct event_update_event_scale *ev_scale;
- struct event_update_event_cpus *ev_cpus;
- struct perf_evlist *evlist;
- struct perf_evsel *evsel;
- struct cpu_map *map;
+ struct perf_record_event_update *ev = &event->event_update;
+ struct perf_record_event_update_scale *ev_scale;
+ struct perf_record_event_update_cpus *ev_cpus;
+ struct evlist *evlist;
+ struct evsel *evsel;
+ struct perf_cpu_map *map;
if (!pevlist || *pevlist == NULL)
return -EINVAL;
@@ -3800,15 +4049,15 @@
evsel->name = strdup(ev->data);
break;
case PERF_EVENT_UPDATE__SCALE:
- ev_scale = (struct event_update_event_scale *) ev->data;
+ ev_scale = (struct perf_record_event_update_scale *)ev->data;
evsel->scale = ev_scale->scale;
break;
case PERF_EVENT_UPDATE__CPUS:
- ev_cpus = (struct event_update_event_cpus *) ev->data;
+ ev_cpus = (struct perf_record_event_update_cpus *)ev->data;
map = cpu_map__new_data(&ev_cpus->cpus);
if (map)
- evsel->own_cpus = map;
+ evsel->core.own_cpus = map;
else
pr_err("failed to get event_update cpus\n");
default:
@@ -3818,67 +4067,27 @@
return 0;
}
-int perf_event__synthesize_tracing_data(struct perf_tool *tool, int fd,
- struct perf_evlist *evlist,
- perf_event__handler_t process)
-{
- union perf_event ev;
- struct tracing_data *tdata;
- ssize_t size = 0, aligned_size = 0, padding;
- struct feat_fd ff;
- int err __maybe_unused = 0;
-
- /*
- * We are going to store the size of the data followed
- * by the data contents. Since the fd descriptor is a pipe,
- * we cannot seek back to store the size of the data once
- * we know it. Instead we:
- *
- * - write the tracing data to the temp file
- * - get/write the data size to pipe
- * - write the tracing data from the temp file
- * to the pipe
- */
- tdata = tracing_data_get(&evlist->entries, fd, true);
- if (!tdata)
- return -1;
-
- memset(&ev, 0, sizeof(ev));
-
- ev.tracing_data.header.type = PERF_RECORD_HEADER_TRACING_DATA;
- size = tdata->size;
- aligned_size = PERF_ALIGN(size, sizeof(u64));
- padding = aligned_size - size;
- ev.tracing_data.header.size = sizeof(ev.tracing_data);
- ev.tracing_data.size = aligned_size;
-
- process(tool, &ev, NULL, NULL);
-
- /*
- * The put function will copy all the tracing data
- * stored in temp file to the pipe.
- */
- tracing_data_put(tdata);
-
- ff = (struct feat_fd){ .fd = fd };
- if (write_padded(&ff, NULL, 0, padding))
- return -1;
-
- return aligned_size;
-}
-
-int perf_event__process_tracing_data(struct perf_tool *tool __maybe_unused,
- union perf_event *event,
- struct perf_session *session)
+int perf_event__process_tracing_data(struct perf_session *session,
+ union perf_event *event)
{
ssize_t size_read, padding, size = event->tracing_data.size;
int fd = perf_data__fd(session->data);
- off_t offset = lseek(fd, 0, SEEK_CUR);
char buf[BUFSIZ];
- /* setup for reading amidst mmap */
- lseek(fd, offset + sizeof(struct tracing_data_event),
- SEEK_SET);
+ /*
+ * The pipe fd is already in proper place and in any case
+ * we can't move it, and we'd screw the case where we read
+ * 'pipe' data from regular file. The trace_report reads
+ * data from 'fd' so we need to set it directly behind the
+ * event, where the tracing data starts.
+ */
+ if (!perf_data__is_pipe(session->data)) {
+ off_t offset = lseek(fd, 0, SEEK_CUR);
+
+ /* setup for reading amidst mmap */
+ lseek(fd, offset + sizeof(struct perf_record_header_tracing_data),
+ SEEK_SET);
+ }
size_read = trace_report(fd, &session->tevent,
session->repipe);
@@ -3907,37 +4116,8 @@
return size_read + padding;
}
-int perf_event__synthesize_build_id(struct perf_tool *tool,
- struct dso *pos, u16 misc,
- perf_event__handler_t process,
- struct machine *machine)
-{
- union perf_event ev;
- size_t len;
- int err = 0;
-
- if (!pos->hit)
- return err;
-
- memset(&ev, 0, sizeof(ev));
-
- len = pos->long_name_len + 1;
- len = PERF_ALIGN(len, NAME_ALIGN);
- memcpy(&ev.build_id.build_id, pos->build_id, sizeof(pos->build_id));
- ev.build_id.header.type = PERF_RECORD_HEADER_BUILD_ID;
- ev.build_id.header.misc = misc;
- ev.build_id.pid = machine->pid;
- ev.build_id.header.size = sizeof(ev.build_id) + len;
- memcpy(&ev.build_id.filename, pos->long_name, pos->long_name_len);
-
- err = process(tool, &ev, NULL, machine);
-
- return err;
-}
-
-int perf_event__process_build_id(struct perf_tool *tool __maybe_unused,
- union perf_event *event,
- struct perf_session *session)
+int perf_event__process_build_id(struct perf_session *session,
+ union perf_event *event)
{
__event_process_build_id(&event->build_id,
event->build_id.filename,
--
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