From 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 22 Oct 2024 10:36:11 +0000
Subject: [PATCH] 修改4g拨号为QMI,需要在系统里后台执行quectel-CM
---
kernel/tools/perf/util/session.c | 835 +++++++++++++++++++++++++++++++++++++++--------------------
1 files changed, 547 insertions(+), 288 deletions(-)
diff --git a/kernel/tools/perf/util/session.c b/kernel/tools/perf/util/session.c
index 3be1534..354e1e0 100644
--- a/kernel/tools/perf/util/session.c
+++ b/kernel/tools/perf/util/session.c
@@ -1,30 +1,99 @@
// SPDX-License-Identifier: GPL-2.0
#include <errno.h>
#include <inttypes.h>
+#include <linux/err.h>
#include <linux/kernel.h>
-#include <traceevent/event-parse.h>
+#include <linux/zalloc.h>
#include <api/fs/fs.h>
#include <byteswap.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/mman.h>
+#include <perf/cpumap.h>
+#include "map_symbol.h"
+#include "branch.h"
+#include "debug.h"
#include "evlist.h"
#include "evsel.h"
#include "memswap.h"
+#include "map.h"
+#include "symbol.h"
#include "session.h"
#include "tool.h"
-#include "sort.h"
-#include "util.h"
-#include "cpumap.h"
#include "perf_regs.h"
#include "asm/bug.h"
#include "auxtrace.h"
#include "thread.h"
#include "thread-stack.h"
+#include "sample-raw.h"
#include "stat.h"
+#include "ui/progress.h"
+#include "../perf.h"
#include "arch/common.h"
+#include <internal/lib.h>
+
+#ifdef HAVE_ZSTD_SUPPORT
+static int perf_session__process_compressed_event(struct perf_session *session,
+ union perf_event *event, u64 file_offset)
+{
+ void *src;
+ size_t decomp_size, src_size;
+ u64 decomp_last_rem = 0;
+ size_t mmap_len, decomp_len = session->header.env.comp_mmap_len;
+ struct decomp *decomp, *decomp_last = session->decomp_last;
+
+ if (decomp_last) {
+ decomp_last_rem = decomp_last->size - decomp_last->head;
+ decomp_len += decomp_last_rem;
+ }
+
+ mmap_len = sizeof(struct decomp) + decomp_len;
+ decomp = mmap(NULL, mmap_len, PROT_READ|PROT_WRITE,
+ MAP_ANONYMOUS|MAP_PRIVATE, -1, 0);
+ if (decomp == MAP_FAILED) {
+ pr_err("Couldn't allocate memory for decompression\n");
+ return -1;
+ }
+
+ decomp->file_pos = file_offset;
+ decomp->mmap_len = mmap_len;
+ decomp->head = 0;
+
+ if (decomp_last_rem) {
+ memcpy(decomp->data, &(decomp_last->data[decomp_last->head]), decomp_last_rem);
+ decomp->size = decomp_last_rem;
+ }
+
+ src = (void *)event + sizeof(struct perf_record_compressed);
+ src_size = event->pack.header.size - sizeof(struct perf_record_compressed);
+
+ decomp_size = zstd_decompress_stream(&(session->zstd_data), src, src_size,
+ &(decomp->data[decomp_last_rem]), decomp_len - decomp_last_rem);
+ if (!decomp_size) {
+ munmap(decomp, mmap_len);
+ pr_err("Couldn't decompress data\n");
+ return -1;
+ }
+
+ decomp->size += decomp_size;
+
+ if (session->decomp == NULL) {
+ session->decomp = decomp;
+ session->decomp_last = decomp;
+ } else {
+ session->decomp_last->next = decomp;
+ session->decomp_last = decomp;
+ }
+
+ pr_debug("decomp (B): %zd to %zd\n", src_size, decomp_size);
+
+ return 0;
+}
+#else /* !HAVE_ZSTD_SUPPORT */
+#define perf_session__process_compressed_event perf_session__process_compressed_event_stub
+#endif
static int perf_session__deliver_event(struct perf_session *session,
union perf_event *event,
@@ -46,12 +115,12 @@
if (perf_header__has_feat(&session->header, HEADER_STAT))
return 0;
- if (!perf_evlist__valid_sample_type(session->evlist)) {
+ if (!evlist__valid_sample_type(session->evlist)) {
pr_err("non matching sample_type\n");
return -1;
}
- if (!perf_evlist__valid_sample_id_all(session->evlist)) {
+ if (!evlist__valid_sample_id_all(session->evlist)) {
pr_err("non matching sample_id_all\n");
return -1;
}
@@ -87,10 +156,10 @@
static bool perf_session__has_comm_exec(struct perf_session *session)
{
- struct perf_evsel *evsel;
+ struct evsel *evsel;
evlist__for_each_entry(session->evlist, evsel) {
- if (evsel->attr.comm_exec)
+ if (evsel->core.attr.comm_exec)
return true;
}
@@ -117,6 +186,7 @@
struct perf_session *perf_session__new(struct perf_data *data,
bool repipe, struct perf_tool *tool)
{
+ int ret = -ENOMEM;
struct perf_session *session = zalloc(sizeof(*session));
if (!session)
@@ -126,17 +196,21 @@
session->tool = tool;
INIT_LIST_HEAD(&session->auxtrace_index);
machines__init(&session->machines);
- ordered_events__init(&session->ordered_events, ordered_events__deliver_event);
+ ordered_events__init(&session->ordered_events,
+ ordered_events__deliver_event, NULL);
+ perf_env__init(&session->header.env);
if (data) {
- if (perf_data__open(data))
+ ret = perf_data__open(data);
+ if (ret < 0)
goto out_delete;
session->data = data;
if (perf_data__is_read(data)) {
- if (perf_session__open(session) < 0)
- goto out_close;
+ ret = perf_session__open(session);
+ if (ret < 0)
+ goto out_delete;
/*
* set session attributes that are present in perf.data
@@ -146,6 +220,19 @@
perf_session__set_id_hdr_size(session);
perf_session__set_comm_exec(session);
}
+
+ perf_evlist__init_trace_event_sample_raw(session->evlist);
+
+ /* Open the directory data. */
+ if (data->is_dir) {
+ ret = perf_data__open_dir(data);
+ if (ret)
+ goto out_delete;
+ }
+
+ if (!symbol_conf.kallsyms_name &&
+ !symbol_conf.vmlinux_name)
+ symbol_conf.kallsyms_name = perf_data__kallsyms_name(data);
}
} else {
session->machines.host.env = &perf_env;
@@ -165,27 +252,40 @@
/*
* In pipe-mode, evlist is empty until PERF_RECORD_HEADER_ATTR is
- * processed, so perf_evlist__sample_id_all is not meaningful here.
+ * processed, so evlist__sample_id_all is not meaningful here.
*/
if ((!data || !data->is_pipe) && tool && tool->ordering_requires_timestamps &&
- tool->ordered_events && !perf_evlist__sample_id_all(session->evlist)) {
+ tool->ordered_events && !evlist__sample_id_all(session->evlist)) {
dump_printf("WARNING: No sample_id_all support, falling back to unordered processing\n");
tool->ordered_events = false;
}
return session;
- out_close:
- perf_data__close(data);
out_delete:
perf_session__delete(session);
out:
- return NULL;
+ return ERR_PTR(ret);
}
static void perf_session__delete_threads(struct perf_session *session)
{
machine__delete_threads(&session->machines.host);
+}
+
+static void perf_session__release_decomp_events(struct perf_session *session)
+{
+ struct decomp *next, *decomp;
+ size_t mmap_len;
+ next = session->decomp;
+ do {
+ decomp = next;
+ if (decomp == NULL)
+ break;
+ next = decomp->next;
+ mmap_len = decomp->mmap_len;
+ munmap(decomp, mmap_len);
+ } while (1);
}
void perf_session__delete(struct perf_session *session)
@@ -196,6 +296,7 @@
auxtrace_index__free(&session->auxtrace_index);
perf_session__destroy_kernel_maps(session);
perf_session__delete_threads(session);
+ perf_session__release_decomp_events(session);
perf_env__exit(&session->header.env);
machines__exit(&session->machines);
if (session->data)
@@ -203,12 +304,10 @@
free(session);
}
-static int process_event_synth_tracing_data_stub(struct perf_tool *tool
+static int process_event_synth_tracing_data_stub(struct perf_session *session
__maybe_unused,
union perf_event *event
- __maybe_unused,
- struct perf_session *session
- __maybe_unused)
+ __maybe_unused)
{
dump_printf(": unhandled!\n");
return 0;
@@ -216,7 +315,7 @@
static int process_event_synth_attr_stub(struct perf_tool *tool __maybe_unused,
union perf_event *event __maybe_unused,
- struct perf_evlist **pevlist
+ struct evlist **pevlist
__maybe_unused)
{
dump_printf(": unhandled!\n");
@@ -225,7 +324,7 @@
static int process_event_synth_event_update_stub(struct perf_tool *tool __maybe_unused,
union perf_event *event __maybe_unused,
- struct perf_evlist **pevlist
+ struct evlist **pevlist
__maybe_unused)
{
if (dump_trace)
@@ -238,7 +337,7 @@
static int process_event_sample_stub(struct perf_tool *tool __maybe_unused,
union perf_event *event __maybe_unused,
struct perf_sample *sample __maybe_unused,
- struct perf_evsel *evsel __maybe_unused,
+ struct evsel *evsel __maybe_unused,
struct machine *machine __maybe_unused)
{
dump_printf(": unhandled!\n");
@@ -281,10 +380,8 @@
return 0;
}
-static s64 process_event_auxtrace_stub(struct perf_tool *tool __maybe_unused,
- union perf_event *event,
- struct perf_session *session
- __maybe_unused)
+static s64 process_event_auxtrace_stub(struct perf_session *session __maybe_unused,
+ union perf_event *event)
{
dump_printf(": unhandled!\n");
if (perf_data__is_pipe(session->data))
@@ -292,9 +389,8 @@
return event->auxtrace.size;
}
-static int process_event_op2_stub(struct perf_tool *tool __maybe_unused,
- union perf_event *event __maybe_unused,
- struct perf_session *session __maybe_unused)
+static int process_event_op2_stub(struct perf_session *session __maybe_unused,
+ union perf_event *event __maybe_unused)
{
dump_printf(": unhandled!\n");
return 0;
@@ -302,9 +398,8 @@
static
-int process_event_thread_map_stub(struct perf_tool *tool __maybe_unused,
- union perf_event *event __maybe_unused,
- struct perf_session *session __maybe_unused)
+int process_event_thread_map_stub(struct perf_session *session __maybe_unused,
+ union perf_event *event __maybe_unused)
{
if (dump_trace)
perf_event__fprintf_thread_map(event, stdout);
@@ -314,9 +409,8 @@
}
static
-int process_event_cpu_map_stub(struct perf_tool *tool __maybe_unused,
- union perf_event *event __maybe_unused,
- struct perf_session *session __maybe_unused)
+int process_event_cpu_map_stub(struct perf_session *session __maybe_unused,
+ union perf_event *event __maybe_unused)
{
if (dump_trace)
perf_event__fprintf_cpu_map(event, stdout);
@@ -326,9 +420,8 @@
}
static
-int process_event_stat_config_stub(struct perf_tool *tool __maybe_unused,
- union perf_event *event __maybe_unused,
- struct perf_session *session __maybe_unused)
+int process_event_stat_config_stub(struct perf_session *session __maybe_unused,
+ union perf_event *event __maybe_unused)
{
if (dump_trace)
perf_event__fprintf_stat_config(event, stdout);
@@ -337,10 +430,8 @@
return 0;
}
-static int process_stat_stub(struct perf_tool *tool __maybe_unused,
- union perf_event *event __maybe_unused,
- struct perf_session *perf_session
- __maybe_unused)
+static int process_stat_stub(struct perf_session *perf_session __maybe_unused,
+ union perf_event *event)
{
if (dump_trace)
perf_event__fprintf_stat(event, stdout);
@@ -349,16 +440,22 @@
return 0;
}
-static int process_stat_round_stub(struct perf_tool *tool __maybe_unused,
- union perf_event *event __maybe_unused,
- struct perf_session *perf_session
- __maybe_unused)
+static int process_stat_round_stub(struct perf_session *perf_session __maybe_unused,
+ union perf_event *event)
{
if (dump_trace)
perf_event__fprintf_stat_round(event, stdout);
dump_printf(": unhandled!\n");
return 0;
+}
+
+static int perf_session__process_compressed_event_stub(struct perf_session *session __maybe_unused,
+ union perf_event *event __maybe_unused,
+ u64 file_offset __maybe_unused)
+{
+ dump_printf(": unhandled!\n");
+ return 0;
}
void perf_tool__fill_defaults(struct perf_tool *tool)
@@ -373,6 +470,8 @@
tool->comm = process_event_stub;
if (tool->namespaces == NULL)
tool->namespaces = process_event_stub;
+ if (tool->cgroup == NULL)
+ tool->cgroup = process_event_stub;
if (tool->fork == NULL)
tool->fork = process_event_stub;
if (tool->exit == NULL)
@@ -387,6 +486,12 @@
tool->itrace_start = perf_event__process_itrace_start;
if (tool->context_switch == NULL)
tool->context_switch = perf_event__process_switch;
+ if (tool->ksymbol == NULL)
+ tool->ksymbol = perf_event__process_ksymbol;
+ if (tool->bpf == NULL)
+ tool->bpf = perf_event__process_bpf;
+ if (tool->text_poke == NULL)
+ tool->text_poke = perf_event__process_text_poke;
if (tool->read == NULL)
tool->read = process_event_sample_stub;
if (tool->throttle == NULL)
@@ -429,6 +534,8 @@
tool->time_conv = process_event_op2_stub;
if (tool->feature == NULL)
tool->feature = process_event_op2_stub;
+ if (tool->compressed == NULL)
+ tool->compressed = perf_session__process_compressed_event;
}
static void swap_sample_id_all(union perf_event *event, void *data)
@@ -555,6 +662,24 @@
swap_sample_id_all(event, &event->context_switch + 1);
}
+static void perf_event__text_poke_swap(union perf_event *event, bool sample_id_all)
+{
+ event->text_poke.addr = bswap_64(event->text_poke.addr);
+ event->text_poke.old_len = bswap_16(event->text_poke.old_len);
+ event->text_poke.new_len = bswap_16(event->text_poke.new_len);
+
+ if (sample_id_all) {
+ size_t len = sizeof(event->text_poke.old_len) +
+ sizeof(event->text_poke.new_len) +
+ event->text_poke.old_len +
+ event->text_poke.new_len;
+ void *data = &event->text_poke.old_len;
+
+ data += PERF_ALIGN(len, sizeof(u64));
+ swap_sample_id_all(event, data);
+ }
+}
+
static void perf_event__throttle_swap(union perf_event *event,
bool sample_id_all)
{
@@ -564,6 +689,38 @@
if (sample_id_all)
swap_sample_id_all(event, &event->throttle + 1);
+}
+
+static void perf_event__namespaces_swap(union perf_event *event,
+ bool sample_id_all)
+{
+ u64 i;
+
+ event->namespaces.pid = bswap_32(event->namespaces.pid);
+ event->namespaces.tid = bswap_32(event->namespaces.tid);
+ event->namespaces.nr_namespaces = bswap_64(event->namespaces.nr_namespaces);
+
+ for (i = 0; i < event->namespaces.nr_namespaces; i++) {
+ struct perf_ns_link_info *ns = &event->namespaces.link_info[i];
+
+ ns->dev = bswap_64(ns->dev);
+ ns->ino = bswap_64(ns->ino);
+ }
+
+ if (sample_id_all)
+ swap_sample_id_all(event, &event->namespaces.link_info[i]);
+}
+
+static void perf_event__cgroup_swap(union perf_event *event, bool sample_id_all)
+{
+ event->cgroup.id = bswap_64(event->cgroup.id);
+
+ if (sample_id_all) {
+ void *data = &event->cgroup.path;
+
+ data += PERF_ALIGN(strlen(data) + 1, sizeof(u64));
+ swap_sample_id_all(event, data);
+ }
}
static u8 revbyte(u8 b)
@@ -629,6 +786,7 @@
bswap_field_32(sample_stack_user);
bswap_field_32(aux_watermark);
bswap_field_16(sample_max_stack);
+ bswap_field_32(aux_sample_size);
/*
* After read_format are bitfields. Check read_format because
@@ -706,7 +864,10 @@
event->auxtrace_error.cpu = bswap_32(event->auxtrace_error.cpu);
event->auxtrace_error.pid = bswap_32(event->auxtrace_error.pid);
event->auxtrace_error.tid = bswap_32(event->auxtrace_error.tid);
+ event->auxtrace_error.fmt = bswap_32(event->auxtrace_error.fmt);
event->auxtrace_error.ip = bswap_64(event->auxtrace_error.ip);
+ if (event->auxtrace_error.fmt)
+ event->auxtrace_error.time = bswap_64(event->auxtrace_error.time);
}
static void perf_event__thread_map_swap(union perf_event *event,
@@ -723,9 +884,9 @@
static void perf_event__cpu_map_swap(union perf_event *event,
bool sample_id_all __maybe_unused)
{
- struct cpu_map_data *data = &event->cpu_map.data;
+ struct perf_record_cpu_map_data *data = &event->cpu_map.data;
struct cpu_map_entries *cpus;
- struct cpu_map_mask *mask;
+ struct perf_record_record_cpu_map *mask;
unsigned i;
data->type = bswap_64(data->type);
@@ -740,7 +901,7 @@
cpus->cpu[i] = bswap_16(cpus->cpu[i]);
break;
case PERF_CPU_MAP__MASK:
- mask = (struct cpu_map_mask *) data->data;
+ mask = (struct perf_record_record_cpu_map *)data->data;
mask->nr = bswap_16(mask->nr);
mask->long_size = bswap_16(mask->long_size);
@@ -784,6 +945,19 @@
event->stat_round.time = bswap_64(event->stat_round.time);
}
+static void perf_event__time_conv_swap(union perf_event *event,
+ bool sample_id_all __maybe_unused)
+{
+ event->time_conv.time_shift = bswap_64(event->time_conv.time_shift);
+ event->time_conv.time_mult = bswap_64(event->time_conv.time_mult);
+ event->time_conv.time_zero = bswap_64(event->time_conv.time_zero);
+
+ if (event_contains(event->time_conv, time_cycles)) {
+ event->time_conv.time_cycles = bswap_64(event->time_conv.time_cycles);
+ event->time_conv.time_mask = bswap_64(event->time_conv.time_mask);
+ }
+}
+
typedef void (*perf_event__swap_op)(union perf_event *event,
bool sample_id_all);
@@ -803,6 +977,9 @@
[PERF_RECORD_LOST_SAMPLES] = perf_event__all64_swap,
[PERF_RECORD_SWITCH] = perf_event__switch_swap,
[PERF_RECORD_SWITCH_CPU_WIDE] = perf_event__switch_swap,
+ [PERF_RECORD_NAMESPACES] = perf_event__namespaces_swap,
+ [PERF_RECORD_CGROUP] = perf_event__cgroup_swap,
+ [PERF_RECORD_TEXT_POKE] = perf_event__text_poke_swap,
[PERF_RECORD_HEADER_ATTR] = perf_event__hdr_attr_swap,
[PERF_RECORD_HEADER_EVENT_TYPE] = perf_event__event_type_swap,
[PERF_RECORD_HEADER_TRACING_DATA] = perf_event__tracing_data_swap,
@@ -817,7 +994,7 @@
[PERF_RECORD_STAT] = perf_event__stat_swap,
[PERF_RECORD_STAT_ROUND] = perf_event__stat_round_swap,
[PERF_RECORD_EVENT_UPDATE] = perf_event__event_update_swap,
- [PERF_RECORD_TIME_CONV] = perf_event__all64_swap,
+ [PERF_RECORD_TIME_CONV] = perf_event__time_conv_swap,
[PERF_RECORD_HEADER_MAX] = NULL,
};
@@ -879,6 +1056,7 @@
{
struct ip_callchain *callchain = sample->callchain;
struct branch_stack *lbr_stack = sample->branch_stack;
+ struct branch_entry *entries = perf_sample__branch_entries(sample);
u64 kernel_callchain_nr = callchain->nr;
unsigned int i;
@@ -915,20 +1093,20 @@
i, callchain->ips[i]);
printf("..... %2d: %016" PRIx64 "\n",
- (int)(kernel_callchain_nr), lbr_stack->entries[0].to);
+ (int)(kernel_callchain_nr), entries[0].to);
for (i = 0; i < lbr_stack->nr; i++)
printf("..... %2d: %016" PRIx64 "\n",
- (int)(i + kernel_callchain_nr + 1), lbr_stack->entries[i].from);
+ (int)(i + kernel_callchain_nr + 1), entries[i].from);
}
}
-static void callchain__printf(struct perf_evsel *evsel,
+static void callchain__printf(struct evsel *evsel,
struct perf_sample *sample)
{
unsigned int i;
struct ip_callchain *callchain = sample->callchain;
- if (perf_evsel__has_branch_callstack(evsel))
+ if (evsel__has_branch_callstack(evsel))
callchain__lbr_callstack_printf(sample);
printf("... FP chain: nr:%" PRIu64 "\n", callchain->nr);
@@ -938,23 +1116,31 @@
i, callchain->ips[i]);
}
-static void branch_stack__printf(struct perf_sample *sample)
+static void branch_stack__printf(struct perf_sample *sample, bool callstack)
{
+ struct branch_entry *entries = perf_sample__branch_entries(sample);
uint64_t i;
- printf("... branch stack: nr:%" PRIu64 "\n", sample->branch_stack->nr);
+ printf("%s: nr:%" PRIu64 "\n",
+ !callstack ? "... branch stack" : "... branch callstack",
+ sample->branch_stack->nr);
for (i = 0; i < sample->branch_stack->nr; i++) {
- struct branch_entry *e = &sample->branch_stack->entries[i];
+ struct branch_entry *e = &entries[i];
- printf("..... %2"PRIu64": %016" PRIx64 " -> %016" PRIx64 " %hu cycles %s%s%s%s %x\n",
- i, e->from, e->to,
- (unsigned short)e->flags.cycles,
- e->flags.mispred ? "M" : " ",
- e->flags.predicted ? "P" : " ",
- e->flags.abort ? "A" : " ",
- e->flags.in_tx ? "T" : " ",
- (unsigned)e->flags.reserved);
+ if (!callstack) {
+ printf("..... %2"PRIu64": %016" PRIx64 " -> %016" PRIx64 " %hu cycles %s%s%s%s %x\n",
+ i, e->from, e->to,
+ (unsigned short)e->flags.cycles,
+ e->flags.mispred ? "M" : " ",
+ e->flags.predicted ? "P" : " ",
+ e->flags.abort ? "A" : " ",
+ e->flags.in_tx ? "T" : " ",
+ (unsigned)e->flags.reserved);
+ } else {
+ printf("..... %2"PRIu64": %016" PRIx64 "\n",
+ i, i > 0 ? e->from : e->to);
+ }
}
}
@@ -965,7 +1151,7 @@
for_each_set_bit(rid, (unsigned long *) &mask, sizeof(mask) * 8) {
u64 val = regs[i++];
- printf(".... %-5s 0x%" PRIx64 "\n",
+ printf(".... %-5s 0x%016" PRIx64 "\n",
perf_reg_name(rid), val);
}
}
@@ -1018,14 +1204,14 @@
dump->size, dump->offset);
}
-static void perf_evlist__print_tstamp(struct perf_evlist *evlist,
+static void perf_evlist__print_tstamp(struct evlist *evlist,
union perf_event *event,
struct perf_sample *sample)
{
- u64 sample_type = __perf_evlist__combined_sample_type(evlist);
+ u64 sample_type = __evlist__combined_sample_type(evlist);
if (event->header.type != PERF_RECORD_SAMPLE &&
- !perf_evlist__sample_id_all(evlist)) {
+ !evlist__sample_id_all(evlist)) {
fputs("-1 -1 ", stdout);
return;
}
@@ -1067,7 +1253,7 @@
sample->read.one.id, sample->read.one.value);
}
-static void dump_event(struct perf_evlist *evlist, union perf_event *event,
+static void dump_event(struct evlist *evlist, union perf_event *event,
u64 file_offset, struct perf_sample *sample)
{
if (!dump_trace)
@@ -1077,6 +1263,8 @@
file_offset, event->header.size, event->header.type);
trace_event(event);
+ if (event->header.type == PERF_RECORD_SAMPLE && evlist->trace_event_sample_raw)
+ evlist->trace_event_sample_raw(evlist, event, sample);
if (sample)
perf_evlist__print_tstamp(evlist, event, sample);
@@ -1085,7 +1273,7 @@
event->header.size, perf_event__name(event->header.type));
}
-static void dump_sample(struct perf_evsel *evsel, union perf_event *event,
+static void dump_sample(struct evsel *evsel, union perf_event *event,
struct perf_sample *sample)
{
u64 sample_type;
@@ -1097,13 +1285,13 @@
event->header.misc, sample->pid, sample->tid, sample->ip,
sample->period, sample->addr);
- sample_type = evsel->attr.sample_type;
+ sample_type = evsel->core.attr.sample_type;
if (evsel__has_callchain(evsel))
callchain__printf(evsel, sample);
- if ((sample_type & PERF_SAMPLE_BRANCH_STACK) && !perf_evsel__has_branch_callstack(evsel))
- branch_stack__printf(sample);
+ if (evsel__has_br_stack(evsel))
+ branch_stack__printf(sample, evsel__has_branch_callstack(evsel));
if (sample_type & PERF_SAMPLE_REGS_USER)
regs_user__printf(sample);
@@ -1127,34 +1315,33 @@
printf("... transaction: %" PRIx64 "\n", sample->transaction);
if (sample_type & PERF_SAMPLE_READ)
- sample_read__printf(sample, evsel->attr.read_format);
+ sample_read__printf(sample, evsel->core.attr.read_format);
}
-static void dump_read(struct perf_evsel *evsel, union perf_event *event)
+static void dump_read(struct evsel *evsel, union perf_event *event)
{
- struct read_event *read_event = &event->read;
+ struct perf_record_read *read_event = &event->read;
u64 read_format;
if (!dump_trace)
return;
- printf(": %d %d %s %" PRIu64 "\n", event->read.pid, event->read.tid,
- evsel ? perf_evsel__name(evsel) : "FAIL",
- event->read.value);
+ printf(": %d %d %s %" PRI_lu64 "\n", event->read.pid, event->read.tid,
+ evsel__name(evsel), event->read.value);
if (!evsel)
return;
- read_format = evsel->attr.read_format;
+ read_format = evsel->core.attr.read_format;
if (read_format & PERF_FORMAT_TOTAL_TIME_ENABLED)
- printf("... time enabled : %" PRIu64 "\n", read_event->time_enabled);
+ printf("... time enabled : %" PRI_lu64 "\n", read_event->time_enabled);
if (read_format & PERF_FORMAT_TOTAL_TIME_RUNNING)
- printf("... time running : %" PRIu64 "\n", read_event->time_running);
+ printf("... time running : %" PRI_lu64 "\n", read_event->time_running);
if (read_format & PERF_FORMAT_ID)
- printf("... id : %" PRIu64 "\n", read_event->id);
+ printf("... id : %" PRI_lu64 "\n", read_event->id);
}
static struct machine *machines__find_for_cpumode(struct machines *machines,
@@ -1183,7 +1370,7 @@
return &machines->host;
}
-static int deliver_sample_value(struct perf_evlist *evlist,
+static int deliver_sample_value(struct evlist *evlist,
struct perf_tool *tool,
union perf_event *event,
struct perf_sample *sample,
@@ -1191,6 +1378,7 @@
struct machine *machine)
{
struct perf_sample_id *sid = perf_evlist__id2sid(evlist, v->id);
+ struct evsel *evsel;
if (sid) {
sample->id = v->id;
@@ -1203,10 +1391,18 @@
return 0;
}
- return tool->sample(tool, event, sample, sid->evsel, machine);
+ /*
+ * There's no reason to deliver sample
+ * for zero period, bail out.
+ */
+ if (!sample->period)
+ return 0;
+
+ evsel = container_of(sid->evsel, struct evsel, core);
+ return tool->sample(tool, event, sample, evsel, machine);
}
-static int deliver_sample_group(struct perf_evlist *evlist,
+static int deliver_sample_group(struct evlist *evlist,
struct perf_tool *tool,
union perf_event *event,
struct perf_sample *sample,
@@ -1227,16 +1423,16 @@
}
static int
- perf_evlist__deliver_sample(struct perf_evlist *evlist,
+ perf_evlist__deliver_sample(struct evlist *evlist,
struct perf_tool *tool,
union perf_event *event,
struct perf_sample *sample,
- struct perf_evsel *evsel,
+ struct evsel *evsel,
struct machine *machine)
{
/* We know evsel != NULL. */
- u64 sample_type = evsel->attr.sample_type;
- u64 read_format = evsel->attr.read_format;
+ u64 sample_type = evsel->core.attr.sample_type;
+ u64 read_format = evsel->core.attr.read_format;
/* Standard sample delivery. */
if (!(sample_type & PERF_SAMPLE_READ))
@@ -1252,12 +1448,12 @@
}
static int machines__deliver_event(struct machines *machines,
- struct perf_evlist *evlist,
+ struct evlist *evlist,
union perf_event *event,
struct perf_sample *sample,
struct perf_tool *tool, u64 file_offset)
{
- struct perf_evsel *evsel;
+ struct evsel *evsel;
struct machine *machine;
dump_event(evlist, event, file_offset, sample);
@@ -1288,6 +1484,8 @@
return tool->comm(tool, event, sample, machine);
case PERF_RECORD_NAMESPACES:
return tool->namespaces(tool, event, sample, machine);
+ case PERF_RECORD_CGROUP:
+ return tool->cgroup(tool, event, sample, machine);
case PERF_RECORD_FORK:
return tool->fork(tool, event, sample, machine);
case PERF_RECORD_EXIT:
@@ -1320,6 +1518,12 @@
case PERF_RECORD_SWITCH:
case PERF_RECORD_SWITCH_CPU_WIDE:
return tool->context_switch(tool, event, sample, machine);
+ case PERF_RECORD_KSYMBOL:
+ return tool->ksymbol(tool, event, sample, machine);
+ case PERF_RECORD_BPF_EVENT:
+ return tool->bpf(tool, event, sample, machine);
+ case PERF_RECORD_TEXT_POKE:
+ return tool->text_poke(tool, event, sample, machine);
default:
++evlist->stats.nr_unknown_events;
return -1;
@@ -1346,8 +1550,13 @@
if (ret > 0)
return 0;
- return machines__deliver_event(&session->machines, session->evlist,
- event, &sample, tool, file_offset);
+ ret = machines__deliver_event(&session->machines, session->evlist,
+ event, &sample, tool, file_offset);
+
+ if (dump_trace && sample.aux_sample.size)
+ auxtrace__dump_auxtrace_sample(session, &sample);
+
+ return ret;
}
static s64 perf_session__process_user_event(struct perf_session *session,
@@ -1360,7 +1569,9 @@
int fd = perf_data__fd(session->data);
int err;
- dump_event(session->evlist, event, file_offset, &sample);
+ if (event->header.type != PERF_RECORD_COMPRESSED ||
+ tool->compressed == perf_session__process_compressed_event_stub)
+ dump_event(session->evlist, event, file_offset, &sample);
/* These events are processed right away */
switch (event->header.type) {
@@ -1380,39 +1591,49 @@
*/
return 0;
case PERF_RECORD_HEADER_TRACING_DATA:
- /* setup for reading amidst mmap */
- lseek(fd, file_offset, SEEK_SET);
- return tool->tracing_data(tool, event, session);
+ /*
+ * Setup for reading amidst mmap, but only when we
+ * are in 'file' mode. The 'pipe' fd is in proper
+ * place already.
+ */
+ if (!perf_data__is_pipe(session->data))
+ lseek(fd, file_offset, SEEK_SET);
+ return tool->tracing_data(session, event);
case PERF_RECORD_HEADER_BUILD_ID:
- return tool->build_id(tool, event, session);
+ return tool->build_id(session, event);
case PERF_RECORD_FINISHED_ROUND:
return tool->finished_round(tool, event, oe);
case PERF_RECORD_ID_INDEX:
- return tool->id_index(tool, event, session);
+ return tool->id_index(session, event);
case PERF_RECORD_AUXTRACE_INFO:
- return tool->auxtrace_info(tool, event, session);
+ return tool->auxtrace_info(session, event);
case PERF_RECORD_AUXTRACE:
/* setup for reading amidst mmap */
lseek(fd, file_offset + event->header.size, SEEK_SET);
- return tool->auxtrace(tool, event, session);
+ return tool->auxtrace(session, event);
case PERF_RECORD_AUXTRACE_ERROR:
perf_session__auxtrace_error_inc(session, event);
- return tool->auxtrace_error(tool, event, session);
+ return tool->auxtrace_error(session, event);
case PERF_RECORD_THREAD_MAP:
- return tool->thread_map(tool, event, session);
+ return tool->thread_map(session, event);
case PERF_RECORD_CPU_MAP:
- return tool->cpu_map(tool, event, session);
+ return tool->cpu_map(session, event);
case PERF_RECORD_STAT_CONFIG:
- return tool->stat_config(tool, event, session);
+ return tool->stat_config(session, event);
case PERF_RECORD_STAT:
- return tool->stat(tool, event, session);
+ return tool->stat(session, event);
case PERF_RECORD_STAT_ROUND:
- return tool->stat_round(tool, event, session);
+ return tool->stat_round(session, event);
case PERF_RECORD_TIME_CONV:
session->time_conv = event->time_conv;
- return tool->time_conv(tool, event, session);
+ return tool->time_conv(session, event);
case PERF_RECORD_HEADER_FEATURE:
- return tool->feature(tool, event, session);
+ return tool->feature(session, event);
+ case PERF_RECORD_COMPRESSED:
+ err = tool->compressed(session, event, file_offset);
+ if (err)
+ dump_event(session->evlist, event, file_offset, &sample);
+ return err;
default:
return -EINVAL;
}
@@ -1422,7 +1643,7 @@
union perf_event *event,
struct perf_sample *sample)
{
- struct perf_evlist *evlist = session->evlist;
+ struct evlist *evlist = session->evlist;
struct perf_tool *tool = session->tool;
events_stats__inc(&evlist->stats, event->header.type);
@@ -1485,7 +1706,7 @@
return -1;
if (session->header.needs_swap)
- event_swap(event, perf_evlist__sample_id_all(session->evlist));
+ event_swap(event, evlist__sample_id_all(session->evlist));
out_parse_sample:
@@ -1498,15 +1719,43 @@
return 0;
}
+int perf_session__peek_events(struct perf_session *session, u64 offset,
+ u64 size, peek_events_cb_t cb, void *data)
+{
+ u64 max_offset = offset + size;
+ char buf[PERF_SAMPLE_MAX_SIZE];
+ union perf_event *event;
+ int err;
+
+ do {
+ err = perf_session__peek_event(session, offset, buf,
+ PERF_SAMPLE_MAX_SIZE, &event,
+ NULL);
+ if (err)
+ return err;
+
+ err = cb(session, event, offset, data);
+ if (err)
+ return err;
+
+ offset += event->header.size;
+ if (event->header.type == PERF_RECORD_AUXTRACE)
+ offset += event->auxtrace.size;
+
+ } while (offset < max_offset);
+
+ return err;
+}
+
static s64 perf_session__process_event(struct perf_session *session,
union perf_event *event, u64 file_offset)
{
- struct perf_evlist *evlist = session->evlist;
+ struct evlist *evlist = session->evlist;
struct perf_tool *tool = session->tool;
int ret;
if (session->header.needs_swap)
- event_swap(event, perf_evlist__sample_id_all(evlist));
+ event_swap(event, evlist__sample_id_all(evlist));
if (event->header.type >= PERF_RECORD_HEADER_MAX)
return -EINVAL;
@@ -1543,6 +1792,13 @@
return machine__findnew_thread(&session->machines.host, -1, pid);
}
+/*
+ * Threads are identified by pid and tid, and the idle task has pid == tid == 0.
+ * So here a single thread is created for that, but actually there is a separate
+ * idle task per cpu, so there should be one 'struct thread' per cpu, but there
+ * is only 1. That causes problems for some tools, requiring workarounds. For
+ * example get_idle_thread() in builtin-sched.c, or thread_stack__per_cpu().
+ */
int perf_session__register_idle_thread(struct perf_session *session)
{
struct thread *thread;
@@ -1568,11 +1824,11 @@
perf_session__warn_order(const struct perf_session *session)
{
const struct ordered_events *oe = &session->ordered_events;
- struct perf_evsel *evsel;
+ struct evsel *evsel;
bool should_warn = true;
evlist__for_each_entry(session->evlist, evsel) {
- if (evsel->attr.write_backward)
+ if (evsel->core.attr.write_backward)
should_warn = false;
}
@@ -1689,6 +1945,8 @@
volatile int session_done;
+static int __perf_session__process_decomp_events(struct perf_session *session);
+
static int __perf_session__process_pipe_events(struct perf_session *session)
{
struct ordered_events *oe = &session->ordered_events;
@@ -1769,6 +2027,10 @@
if (skip > 0)
head += skip;
+ err = __perf_session__process_decomp_events(session);
+ if (err)
+ goto out_err;
+
if (!session_done())
goto more;
done:
@@ -1790,10 +2052,11 @@
}
static union perf_event *
-fetch_mmaped_event(struct perf_session *session,
- u64 head, size_t mmap_size, char *buf)
+prefetch_event(char *buf, u64 head, size_t mmap_size,
+ bool needs_swap, union perf_event *error)
{
union perf_event *event;
+ u16 event_size;
/*
* Ensure we have enough space remaining to read
@@ -1803,18 +2066,74 @@
return NULL;
event = (union perf_event *)(buf + head);
-
- if (session->header.needs_swap)
+ if (needs_swap)
perf_event_header__bswap(&event->header);
- if (head + event->header.size > mmap_size) {
- /* We're not fetching the event so swap back again */
- if (session->header.needs_swap)
- perf_event_header__bswap(&event->header);
+ event_size = event->header.size;
+ if (head + event_size <= mmap_size)
+ return event;
+
+ /* We're not fetching the event so swap back again */
+ if (needs_swap)
+ perf_event_header__bswap(&event->header);
+
+ /* Check if the event fits into the next mmapped buf. */
+ if (event_size <= mmap_size - head % page_size) {
+ /* Remap buf and fetch again. */
return NULL;
}
- return event;
+ /* Invalid input. Event size should never exceed mmap_size. */
+ pr_debug("%s: head=%#" PRIx64 " event->header.size=%#x, mmap_size=%#zx:"
+ " fuzzed or compressed perf.data?\n", __func__, head, event_size, mmap_size);
+
+ return error;
+}
+
+static union perf_event *
+fetch_mmaped_event(u64 head, size_t mmap_size, char *buf, bool needs_swap)
+{
+ return prefetch_event(buf, head, mmap_size, needs_swap, ERR_PTR(-EINVAL));
+}
+
+static union perf_event *
+fetch_decomp_event(u64 head, size_t mmap_size, char *buf, bool needs_swap)
+{
+ return prefetch_event(buf, head, mmap_size, needs_swap, NULL);
+}
+
+static int __perf_session__process_decomp_events(struct perf_session *session)
+{
+ s64 skip;
+ u64 size, file_pos = 0;
+ struct decomp *decomp = session->decomp_last;
+
+ if (!decomp)
+ return 0;
+
+ while (decomp->head < decomp->size && !session_done()) {
+ union perf_event *event = fetch_decomp_event(decomp->head, decomp->size, decomp->data,
+ session->header.needs_swap);
+
+ if (!event)
+ break;
+
+ size = event->header.size;
+
+ if (size < sizeof(struct perf_event_header) ||
+ (skip = perf_session__process_event(session, event, file_pos)) < 0) {
+ pr_err("%#" PRIx64 " [%#x]: failed to process type: %d\n",
+ decomp->file_pos + decomp->head, event->header.size, event->header.type);
+ return -EINVAL;
+ }
+
+ if (skip)
+ size += skip;
+
+ decomp->head += size;
+ }
+
+ return 0;
}
/*
@@ -1829,38 +2148,42 @@
#define NUM_MMAPS 128
#endif
-static int __perf_session__process_events(struct perf_session *session,
- u64 data_offset, u64 data_size,
- u64 file_size)
+struct reader;
+
+typedef s64 (*reader_cb_t)(struct perf_session *session,
+ union perf_event *event,
+ u64 file_offset);
+
+struct reader {
+ int fd;
+ u64 data_size;
+ u64 data_offset;
+ reader_cb_t process;
+};
+
+static int
+reader__process_events(struct reader *rd, struct perf_session *session,
+ struct ui_progress *prog)
{
- struct ordered_events *oe = &session->ordered_events;
- struct perf_tool *tool = session->tool;
- int fd = perf_data__fd(session->data);
+ u64 data_size = rd->data_size;
u64 head, page_offset, file_offset, file_pos, size;
- int err, mmap_prot, mmap_flags, map_idx = 0;
+ int err = 0, mmap_prot, mmap_flags, map_idx = 0;
size_t mmap_size;
char *buf, *mmaps[NUM_MMAPS];
union perf_event *event;
- struct ui_progress prog;
s64 skip;
- perf_tool__fill_defaults(tool);
-
- page_offset = page_size * (data_offset / page_size);
+ page_offset = page_size * (rd->data_offset / page_size);
file_offset = page_offset;
- head = data_offset - page_offset;
+ head = rd->data_offset - page_offset;
- if (data_size == 0)
- goto out;
+ ui_progress__init_size(prog, data_size, "Processing events...");
- if (data_offset + data_size < file_size)
- file_size = data_offset + data_size;
-
- ui_progress__init_size(&prog, file_size, "Processing events...");
+ data_size += rd->data_offset;
mmap_size = MMAP_SIZE;
- if (mmap_size > file_size) {
- mmap_size = file_size;
+ if (mmap_size > data_size) {
+ mmap_size = data_size;
session->one_mmap = true;
}
@@ -1874,12 +2197,12 @@
mmap_flags = MAP_PRIVATE;
}
remap:
- buf = mmap(NULL, mmap_size, mmap_prot, mmap_flags, fd,
+ buf = mmap(NULL, mmap_size, mmap_prot, mmap_flags, rd->fd,
file_offset);
if (buf == MAP_FAILED) {
pr_err("failed to mmap file\n");
err = -errno;
- goto out_err;
+ goto out;
}
mmaps[map_idx] = buf;
map_idx = (map_idx + 1) & (ARRAY_SIZE(mmaps) - 1);
@@ -1890,7 +2213,10 @@
}
more:
- event = fetch_mmaped_event(session, head, mmap_size, buf);
+ event = fetch_mmaped_event(head, mmap_size, buf, session->header.needs_swap);
+ if (IS_ERR(event))
+ return PTR_ERR(event);
+
if (!event) {
if (mmaps[map_idx]) {
munmap(mmaps[map_idx], mmap_size);
@@ -1905,13 +2231,15 @@
size = event->header.size;
+ skip = -EINVAL;
+
if (size < sizeof(struct perf_event_header) ||
- (skip = perf_session__process_event(session, event, file_pos)) < 0) {
- pr_err("%#" PRIx64 " [%#x]: failed to process type: %d\n",
+ (skip = rd->process(session, event, file_pos)) < 0) {
+ pr_err("%#" PRIx64 " [%#x]: failed to process type: %d [%s]\n",
file_offset + head, event->header.size,
- event->header.type);
- err = -EINVAL;
- goto out_err;
+ event->header.type, strerror(-skip));
+ err = skip;
+ goto out;
}
if (skip)
@@ -1920,15 +2248,52 @@
head += size;
file_pos += size;
- ui_progress__update(&prog, size);
+ err = __perf_session__process_decomp_events(session);
+ if (err)
+ goto out;
+
+ ui_progress__update(prog, size);
if (session_done())
goto out;
- if (file_pos < file_size)
+ if (file_pos < data_size)
goto more;
out:
+ return err;
+}
+
+static s64 process_simple(struct perf_session *session,
+ union perf_event *event,
+ u64 file_offset)
+{
+ return perf_session__process_event(session, event, file_offset);
+}
+
+static int __perf_session__process_events(struct perf_session *session)
+{
+ struct reader rd = {
+ .fd = perf_data__fd(session->data),
+ .data_size = session->header.data_size,
+ .data_offset = session->header.data_offset,
+ .process = process_simple,
+ };
+ struct ordered_events *oe = &session->ordered_events;
+ struct perf_tool *tool = session->tool;
+ struct ui_progress prog;
+ int err;
+
+ perf_tool__fill_defaults(tool);
+
+ if (rd.data_size == 0)
+ return -1;
+
+ ui_progress__init_size(&prog, rd.data_size, "Processing events...");
+
+ err = reader__process_events(&rd, session, &prog);
+ if (err)
+ goto out_err;
/* do the final flush for ordered samples */
err = ordered_events__flush(oe, OE_FLUSH__FINAL);
if (err)
@@ -1953,28 +2318,21 @@
int perf_session__process_events(struct perf_session *session)
{
- u64 size = perf_data__size(session->data);
- int err;
-
if (perf_session__register_idle_thread(session) < 0)
return -ENOMEM;
- if (!perf_data__is_pipe(session->data))
- err = __perf_session__process_events(session,
- session->header.data_offset,
- session->header.data_size, size);
- else
- err = __perf_session__process_pipe_events(session);
+ if (perf_data__is_pipe(session->data))
+ return __perf_session__process_pipe_events(session);
- return err;
+ return __perf_session__process_events(session);
}
bool perf_session__has_traces(struct perf_session *session, const char *msg)
{
- struct perf_evsel *evsel;
+ struct evsel *evsel;
evlist__for_each_entry(session->evlist, evsel) {
- if (evsel->attr.type == PERF_TYPE_TRACEPOINT)
+ if (evsel->core.attr.type == PERF_TYPE_TRACEPOINT)
return true;
}
@@ -2045,13 +2403,13 @@
return machine__fprintf(&session->machines.host, fp);
}
-struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session,
+struct evsel *perf_session__find_first_evtype(struct perf_session *session,
unsigned int type)
{
- struct perf_evsel *pos;
+ struct evsel *pos;
evlist__for_each_entry(session->evlist, pos) {
- if (pos->attr.type == type)
+ if (pos->core.attr.type == type)
return pos;
}
return NULL;
@@ -2061,23 +2419,24 @@
const char *cpu_list, unsigned long *cpu_bitmap)
{
int i, err = -1;
- struct cpu_map *map;
+ struct perf_cpu_map *map;
+ int nr_cpus = min(session->header.env.nr_cpus_avail, MAX_NR_CPUS);
for (i = 0; i < PERF_TYPE_MAX; ++i) {
- struct perf_evsel *evsel;
+ struct evsel *evsel;
evsel = perf_session__find_first_evtype(session, i);
if (!evsel)
continue;
- if (!(evsel->attr.sample_type & PERF_SAMPLE_CPU)) {
+ if (!(evsel->core.attr.sample_type & PERF_SAMPLE_CPU)) {
pr_err("File does not contain CPU events. "
"Remove -C option to proceed.\n");
return -1;
}
}
- map = cpu_map__new(cpu_list);
+ map = perf_cpu_map__new(cpu_list);
if (map == NULL) {
pr_err("Invalid cpu_list\n");
return -1;
@@ -2086,7 +2445,7 @@
for (i = 0; i < map->nr; i++) {
int cpu = map->map[i];
- if (cpu >= MAX_NR_CPUS) {
+ if (cpu >= nr_cpus) {
pr_err("Requested CPU %d too large. "
"Consider raising MAX_NR_CPUS\n", cpu);
goto out_delete_map;
@@ -2098,7 +2457,7 @@
err = 0;
out_delete_map:
- cpu_map__put(map);
+ perf_cpu_map__put(map);
return err;
}
@@ -2113,44 +2472,14 @@
fprintf(fp, "# ========\n#\n");
}
-
-int __perf_session__set_tracepoints_handlers(struct perf_session *session,
- const struct perf_evsel_str_handler *assocs,
- size_t nr_assocs)
+int perf_event__process_id_index(struct perf_session *session,
+ union perf_event *event)
{
- struct perf_evsel *evsel;
- size_t i;
- int err;
-
- for (i = 0; i < nr_assocs; i++) {
- /*
- * Adding a handler for an event not in the session,
- * just ignore it.
- */
- evsel = perf_evlist__find_tracepoint_by_name(session->evlist, assocs[i].name);
- if (evsel == NULL)
- continue;
-
- err = -EEXIST;
- if (evsel->handler != NULL)
- goto out;
- evsel->handler = assocs[i].handler;
- }
-
- err = 0;
-out:
- return err;
-}
-
-int perf_event__process_id_index(struct perf_tool *tool __maybe_unused,
- union perf_event *event,
- struct perf_session *session)
-{
- struct perf_evlist *evlist = session->evlist;
- struct id_index_event *ie = &event->id_index;
+ struct evlist *evlist = session->evlist;
+ struct perf_record_id_index *ie = &event->id_index;
size_t i, nr, max_nr;
- max_nr = (ie->header.size - sizeof(struct id_index_event)) /
+ max_nr = (ie->header.size - sizeof(struct perf_record_id_index)) /
sizeof(struct id_index_entry);
nr = ie->nr;
if (nr > max_nr)
@@ -2164,10 +2493,10 @@
struct perf_sample_id *sid;
if (dump_trace) {
- fprintf(stdout, " ... id: %"PRIu64, e->id);
- fprintf(stdout, " idx: %"PRIu64, e->idx);
- fprintf(stdout, " cpu: %"PRId64, e->cpu);
- fprintf(stdout, " tid: %"PRId64"\n", e->tid);
+ fprintf(stdout, " ... id: %"PRI_lu64, e->id);
+ fprintf(stdout, " idx: %"PRI_lu64, e->idx);
+ fprintf(stdout, " cpu: %"PRI_ld64, e->cpu);
+ fprintf(stdout, " tid: %"PRI_ld64"\n", e->tid);
}
sid = perf_evlist__id2sid(evlist, e->id);
@@ -2178,74 +2507,4 @@
sid->tid = e->tid;
}
return 0;
-}
-
-int perf_event__synthesize_id_index(struct perf_tool *tool,
- perf_event__handler_t process,
- struct perf_evlist *evlist,
- struct machine *machine)
-{
- union perf_event *ev;
- struct perf_evsel *evsel;
- size_t nr = 0, i = 0, sz, max_nr, n;
- int err;
-
- pr_debug2("Synthesizing id index\n");
-
- max_nr = (UINT16_MAX - sizeof(struct id_index_event)) /
- sizeof(struct id_index_entry);
-
- evlist__for_each_entry(evlist, evsel)
- nr += evsel->ids;
-
- n = nr > max_nr ? max_nr : nr;
- sz = sizeof(struct id_index_event) + n * sizeof(struct id_index_entry);
- ev = zalloc(sz);
- if (!ev)
- return -ENOMEM;
-
- ev->id_index.header.type = PERF_RECORD_ID_INDEX;
- ev->id_index.header.size = sz;
- ev->id_index.nr = n;
-
- evlist__for_each_entry(evlist, evsel) {
- u32 j;
-
- for (j = 0; j < evsel->ids; j++) {
- struct id_index_entry *e;
- struct perf_sample_id *sid;
-
- if (i >= n) {
- err = process(tool, ev, NULL, machine);
- if (err)
- goto out_err;
- nr -= n;
- i = 0;
- }
-
- e = &ev->id_index.entries[i++];
-
- e->id = evsel->id[j];
-
- sid = perf_evlist__id2sid(evlist, e->id);
- if (!sid) {
- free(ev);
- return -ENOENT;
- }
-
- e->idx = sid->idx;
- e->cpu = sid->cpu;
- e->tid = sid->tid;
- }
- }
-
- sz = sizeof(struct id_index_event) + nr * sizeof(struct id_index_entry);
- ev->id_index.header.size = sz;
- ev->id_index.nr = nr;
-
- err = process(tool, ev, NULL, machine);
-out_err:
- free(ev);
-
- return err;
}
--
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