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/tests/perf-record.c | 52 +++++++++++++++++++++++++++++-----------------------
1 files changed, 29 insertions(+), 23 deletions(-)
diff --git a/kernel/tools/perf/tests/perf-record.c b/kernel/tools/perf/tests/perf-record.c
index 34394cc..67d3f5a 100644
--- a/kernel/tools/perf/tests/perf-record.c
+++ b/kernel/tools/perf/tests/perf-record.c
@@ -1,15 +1,18 @@
// SPDX-License-Identifier: GPL-2.0
#include <errno.h>
#include <inttypes.h>
+#include <linux/string.h>
/* For the CLR_() macros */
#include <pthread.h>
#include <sched.h>
+#include <perf/mmap.h>
#include "evlist.h"
#include "evsel.h"
-#include "perf.h"
#include "debug.h"
+#include "record.h"
#include "tests.h"
+#include "util/mmap.h"
static int sched__get_first_possible_cpu(pid_t pid, cpu_set_t *maskp)
{
@@ -50,14 +53,15 @@
};
cpu_set_t cpu_mask;
size_t cpu_mask_size = sizeof(cpu_mask);
- struct perf_evlist *evlist = perf_evlist__new_dummy();
- struct perf_evsel *evsel;
+ struct evlist *evlist = perf_evlist__new_dummy();
+ struct evsel *evsel;
struct perf_sample sample;
const char *cmd = "sleep";
const char *argv[] = { cmd, "1", NULL, };
char *bname, *mmap_filename;
u64 prev_time = 0;
bool found_cmd_mmap = false,
+ found_coreutils_mmap = false,
found_libc_mmap = false,
found_vdso_mmap = false,
found_ld_mmap = false;
@@ -101,10 +105,10 @@
/*
* Config the evsels, setting attr->comm on the first one, etc.
*/
- evsel = perf_evlist__first(evlist);
- perf_evsel__set_sample_bit(evsel, CPU);
- perf_evsel__set_sample_bit(evsel, TID);
- perf_evsel__set_sample_bit(evsel, TIME);
+ evsel = evlist__first(evlist);
+ evsel__set_sample_bit(evsel, CPU);
+ evsel__set_sample_bit(evsel, TID);
+ evsel__set_sample_bit(evsel, TIME);
perf_evlist__config(evlist, &opts, NULL);
err = sched__get_first_possible_cpu(evlist->workload.pid, &cpu_mask);
@@ -129,7 +133,7 @@
* Call sys_perf_event_open on all the fds on all the evsels,
* grouping them if asked to.
*/
- err = perf_evlist__open(evlist);
+ err = evlist__open(evlist);
if (err < 0) {
pr_debug("perf_evlist__open: %s\n",
str_error_r(errno, sbuf, sizeof(sbuf)));
@@ -141,9 +145,9 @@
* fds in the same CPU to be injected in the same mmap ring buffer
* (using ioctl(PERF_EVENT_IOC_SET_OUTPUT)).
*/
- err = perf_evlist__mmap(evlist, opts.mmap_pages);
+ err = evlist__mmap(evlist, opts.mmap_pages);
if (err < 0) {
- pr_debug("perf_evlist__mmap: %s\n",
+ pr_debug("evlist__mmap: %s\n",
str_error_r(errno, sbuf, sizeof(sbuf)));
goto out_delete_evlist;
}
@@ -152,7 +156,7 @@
* Now that all is properly set up, enable the events, they will
* count just on workload.pid, which will start...
*/
- perf_evlist__enable(evlist);
+ evlist__enable(evlist);
/*
* Now!
@@ -162,15 +166,15 @@
while (1) {
int before = total_events;
- for (i = 0; i < evlist->nr_mmaps; i++) {
+ for (i = 0; i < evlist->core.nr_mmaps; i++) {
union perf_event *event;
- struct perf_mmap *md;
+ struct mmap *md;
md = &evlist->mmap[i];
- if (perf_mmap__read_init(md) < 0)
+ if (perf_mmap__read_init(&md->core) < 0)
continue;
- while ((event = perf_mmap__read_event(md)) != NULL) {
+ while ((event = perf_mmap__read_event(&md->core)) != NULL) {
const u32 type = event->header.type;
const char *name = perf_event__name(type);
@@ -181,14 +185,14 @@
err = perf_evlist__parse_sample(evlist, event, &sample);
if (err < 0) {
if (verbose > 0)
- perf_event__fprintf(event, stderr);
+ perf_event__fprintf(event, NULL, stderr);
pr_debug("Couldn't parse sample\n");
goto out_delete_evlist;
}
if (verbose > 0) {
pr_info("%" PRIu64" %d ", sample.time, sample.cpu);
- perf_event__fprintf(event, stderr);
+ perf_event__fprintf(event, NULL, stderr);
}
if (prev_time > sample.time) {
@@ -254,6 +258,8 @@
if (bname != NULL) {
if (!found_cmd_mmap)
found_cmd_mmap = !strcmp(bname + 1, cmd);
+ if (!found_coreutils_mmap)
+ found_coreutils_mmap = !strcmp(bname + 1, "coreutils");
if (!found_libc_mmap)
found_libc_mmap = !strncmp(bname + 1, "libc", 4);
if (!found_ld_mmap)
@@ -271,9 +277,9 @@
++errs;
}
- perf_mmap__consume(md);
+ perf_mmap__consume(&md->core);
}
- perf_mmap__read_done(md);
+ perf_mmap__read_done(&md->core);
}
/*
@@ -282,7 +288,7 @@
* perf_event_attr.wakeup_events, just PERF_EVENT_SAMPLE does.
*/
if (total_events == before && false)
- perf_evlist__poll(evlist, -1);
+ evlist__poll(evlist, -1);
sleep(1);
if (++wakeups > 5) {
@@ -292,7 +298,7 @@
}
found_exit:
- if (nr_events[PERF_RECORD_COMM] > 1) {
+ if (nr_events[PERF_RECORD_COMM] > 1 + !!found_coreutils_mmap) {
pr_debug("Excessive number of PERF_RECORD_COMM events!\n");
++errs;
}
@@ -302,7 +308,7 @@
++errs;
}
- if (!found_cmd_mmap) {
+ if (!found_cmd_mmap && !found_coreutils_mmap) {
pr_debug("PERF_RECORD_MMAP for %s missing!\n", cmd);
++errs;
}
@@ -322,7 +328,7 @@
++errs;
}
out_delete_evlist:
- perf_evlist__delete(evlist);
+ evlist__delete(evlist);
out:
return (err < 0 || errs > 0) ? -1 : 0;
}
--
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