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-rw-r--r--tools/perf/builtin-record.c20
-rw-r--r--tools/perf/builtin-timechart.c364
-rw-r--r--tools/perf/builtin-trace.c2
-rw-r--r--tools/perf/config/Makefile2
-rw-r--r--tools/perf/config/feature-checks/test-all.c5
-rw-r--r--tools/perf/util/data.c6
-rw-r--r--tools/perf/util/data.h14
-rw-r--r--tools/perf/util/header.c18
-rw-r--r--tools/perf/util/session.c2
-rw-r--r--tools/perf/util/util.c32
-rw-r--r--tools/perf/util/util.h3
11 files changed, 256 insertions, 212 deletions
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 65615a8bc25e..d93e2eef0979 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -76,7 +76,7 @@ struct perf_record {
long samples;
};
-static int do_write_output(struct perf_record *rec, void *buf, size_t size)
+static int perf_record__write(struct perf_record *rec, void *buf, size_t size)
{
struct perf_data_file *file = &rec->file;
@@ -97,21 +97,13 @@ static int do_write_output(struct perf_record *rec, void *buf, size_t size)
return 0;
}
-static int write_output(struct perf_record *rec, void *buf, size_t size)
-{
- return do_write_output(rec, buf, size);
-}
-
static int process_synthesized_event(struct perf_tool *tool,
union perf_event *event,
struct perf_sample *sample __maybe_unused,
struct machine *machine __maybe_unused)
{
struct perf_record *rec = container_of(tool, struct perf_record, tool);
- if (write_output(rec, event, event->header.size) < 0)
- return -1;
-
- return 0;
+ return perf_record__write(rec, event, event->header.size);
}
static int perf_record__mmap_read(struct perf_record *rec,
@@ -136,7 +128,7 @@ static int perf_record__mmap_read(struct perf_record *rec,
size = md->mask + 1 - (old & md->mask);
old += size;
- if (write_output(rec, buf, size) < 0) {
+ if (perf_record__write(rec, buf, size) < 0) {
rc = -1;
goto out;
}
@@ -146,7 +138,7 @@ static int perf_record__mmap_read(struct perf_record *rec,
size = head - old;
old += size;
- if (write_output(rec, buf, size) < 0) {
+ if (perf_record__write(rec, buf, size) < 0) {
rc = -1;
goto out;
}
@@ -335,8 +327,8 @@ static int perf_record__mmap_read_all(struct perf_record *rec)
}
if (perf_header__has_feat(&rec->session->header, HEADER_TRACING_DATA))
- rc = write_output(rec, &finished_round_event,
- sizeof(finished_round_event));
+ rc = perf_record__write(rec, &finished_round_event,
+ sizeof(finished_round_event));
out:
return rc;
diff --git a/tools/perf/builtin-timechart.c b/tools/perf/builtin-timechart.c
index 680632d7e26a..0bda620a717d 100644
--- a/tools/perf/builtin-timechart.c
+++ b/tools/perf/builtin-timechart.c
@@ -41,19 +41,25 @@
#define SUPPORT_OLD_POWER_EVENTS 1
#define PWR_EVENT_EXIT -1
-static int proc_num = 15;
-
-static unsigned int numcpus;
-static u64 min_freq; /* Lowest CPU frequency seen */
-static u64 max_freq; /* Highest CPU frequency seen */
-static u64 turbo_frequency;
-
-static u64 first_time, last_time;
-
-static bool power_only;
-static bool tasks_only;
-static bool with_backtrace;
-
+struct per_pid;
+struct power_event;
+struct wake_event;
+
+struct timechart {
+ struct perf_tool tool;
+ struct per_pid *all_data;
+ struct power_event *power_events;
+ struct wake_event *wake_events;
+ int proc_num;
+ unsigned int numcpus;
+ u64 min_freq, /* Lowest CPU frequency seen */
+ max_freq, /* Highest CPU frequency seen */
+ turbo_frequency,
+ first_time, last_time;
+ bool power_only,
+ tasks_only,
+ with_backtrace;
+};
struct per_pidcomm;
struct cpu_sample;
@@ -124,8 +130,6 @@ struct cpu_sample {
const char *backtrace;
};
-static struct per_pid *all_data;
-
#define CSTATE 1
#define PSTATE 2
@@ -146,9 +150,6 @@ struct wake_event {
const char *backtrace;
};
-static struct power_event *power_events;
-static struct wake_event *wake_events;
-
struct process_filter {
char *name;
int pid;
@@ -158,9 +159,9 @@ struct process_filter {
static struct process_filter *process_filter;
-static struct per_pid *find_create_pid(int pid)
+static struct per_pid *find_create_pid(struct timechart *tchart, int pid)
{
- struct per_pid *cursor = all_data;
+ struct per_pid *cursor = tchart->all_data;
while (cursor) {
if (cursor->pid == pid)
@@ -170,16 +171,16 @@ static struct per_pid *find_create_pid(int pid)
cursor = zalloc(sizeof(*cursor));
assert(cursor != NULL);
cursor->pid = pid;
- cursor->next = all_data;
- all_data = cursor;
+ cursor->next = tchart->all_data;
+ tchart->all_data = cursor;
return cursor;
}
-static void pid_set_comm(int pid, char *comm)
+static void pid_set_comm(struct timechart *tchart, int pid, char *comm)
{
struct per_pid *p;
struct per_pidcomm *c;
- p = find_create_pid(pid);
+ p = find_create_pid(tchart, pid);
c = p->all;
while (c) {
if (c->comm && strcmp(c->comm, comm) == 0) {
@@ -201,14 +202,14 @@ static void pid_set_comm(int pid, char *comm)
p->all = c;
}
-static void pid_fork(int pid, int ppid, u64 timestamp)
+static void pid_fork(struct timechart *tchart, int pid, int ppid, u64 timestamp)
{
struct per_pid *p, *pp;
- p = find_create_pid(pid);
- pp = find_create_pid(ppid);
+ p = find_create_pid(tchart, pid);
+ pp = find_create_pid(tchart, ppid);
p->ppid = ppid;
if (pp->current && pp->current->comm && !p->current)
- pid_set_comm(pid, pp->current->comm);
+ pid_set_comm(tchart, pid, pp->current->comm);
p->start_time = timestamp;
if (p->current) {
@@ -217,24 +218,24 @@ static void pid_fork(int pid, int ppid, u64 timestamp)
}
}
-static void pid_exit(int pid, u64 timestamp)
+static void pid_exit(struct timechart *tchart, int pid, u64 timestamp)
{
struct per_pid *p;
- p = find_create_pid(pid);
+ p = find_create_pid(tchart, pid);
p->end_time = timestamp;
if (p->current)
p->current->end_time = timestamp;
}
-static void
-pid_put_sample(int pid, int type, unsigned int cpu, u64 start, u64 end,
- const char *backtrace)
+static void pid_put_sample(struct timechart *tchart, int pid, int type,
+ unsigned int cpu, u64 start, u64 end,
+ const char *backtrace)
{
struct per_pid *p;
struct per_pidcomm *c;
struct cpu_sample *sample;
- p = find_create_pid(pid);
+ p = find_create_pid(tchart, pid);
c = p->current;
if (!c) {
c = zalloc(sizeof(*c));
@@ -272,30 +273,33 @@ static int cpus_cstate_state[MAX_CPUS];
static u64 cpus_pstate_start_times[MAX_CPUS];
static u64 cpus_pstate_state[MAX_CPUS];
-static int process_comm_event(struct perf_tool *tool __maybe_unused,
+static int process_comm_event(struct perf_tool *tool,
union perf_event *event,
struct perf_sample *sample __maybe_unused,
struct machine *machine __maybe_unused)
{
- pid_set_comm(event->comm.tid, event->comm.comm);
+ struct timechart *tchart = container_of(tool, struct timechart, tool);
+ pid_set_comm(tchart, event->comm.tid, event->comm.comm);
return 0;
}
-static int process_fork_event(struct perf_tool *tool __maybe_unused,
+static int process_fork_event(struct perf_tool *tool,
union perf_event *event,
struct perf_sample *sample __maybe_unused,
struct machine *machine __maybe_unused)
{
- pid_fork(event->fork.pid, event->fork.ppid, event->fork.time);
+ struct timechart *tchart = container_of(tool, struct timechart, tool);
+ pid_fork(tchart, event->fork.pid, event->fork.ppid, event->fork.time);
return 0;
}
-static int process_exit_event(struct perf_tool *tool __maybe_unused,
+static int process_exit_event(struct perf_tool *tool,
union perf_event *event,
struct perf_sample *sample __maybe_unused,
struct machine *machine __maybe_unused)
{
- pid_exit(event->fork.pid, event->fork.time);
+ struct timechart *tchart = container_of(tool, struct timechart, tool);
+ pid_exit(tchart, event->fork.pid, event->fork.time);
return 0;
}
@@ -309,7 +313,7 @@ static void c_state_start(int cpu, u64 timestamp, int state)
cpus_cstate_state[cpu] = state;
}
-static void c_state_end(int cpu, u64 timestamp)
+static void c_state_end(struct timechart *tchart, int cpu, u64 timestamp)
{
struct power_event *pwr = zalloc(sizeof(*pwr));
@@ -321,12 +325,12 @@ static void c_state_end(int cpu, u64 timestamp)
pwr->end_time = timestamp;
pwr->cpu = cpu;
pwr->type = CSTATE;
- pwr->next = power_events;
+ pwr->next = tchart->power_events;
- power_events = pwr;
+ tchart->power_events = pwr;
}
-static void p_state_change(int cpu, u64 timestamp, u64 new_freq)
+static void p_state_change(struct timechart *tchart, int cpu, u64 timestamp, u64 new_freq)
{
struct power_event *pwr;
@@ -342,28 +346,28 @@ static void p_state_change(int cpu, u64 timestamp, u64 new_freq)
pwr->end_time = timestamp;
pwr->cpu = cpu;
pwr->type = PSTATE;
- pwr->next = power_events;
+ pwr->next = tchart->power_events;
if (!pwr->start_time)
- pwr->start_time = first_time;
+ pwr->start_time = tchart->first_time;
- power_events = pwr;
+ tchart->power_events = pwr;
cpus_pstate_state[cpu] = new_freq;
cpus_pstate_start_times[cpu] = timestamp;
- if ((u64)new_freq > max_freq)
- max_freq = new_freq;
+ if ((u64)new_freq > tchart->max_freq)
+ tchart->max_freq = new_freq;
- if (new_freq < min_freq || min_freq == 0)
- min_freq = new_freq;
+ if (new_freq < tchart->min_freq || tchart->min_freq == 0)
+ tchart->min_freq = new_freq;
- if (new_freq == max_freq - 1000)
- turbo_frequency = max_freq;
+ if (new_freq == tchart->max_freq - 1000)
+ tchart->turbo_frequency = tchart->max_freq;
}
-static void sched_wakeup(int cpu, u64 timestamp, int waker, int wakee,
- u8 flags, const char *backtrace)
+static void sched_wakeup(struct timechart *tchart, int cpu, u64 timestamp,
+ int waker, int wakee, u8 flags, const char *backtrace)
{
struct per_pid *p;
struct wake_event *we = zalloc(sizeof(*we));
@@ -379,38 +383,39 @@ static void sched_wakeup(int cpu, u64 timestamp, int waker, int wakee,
we->waker = -1;
we->wakee = wakee;
- we->next = wake_events;
- wake_events = we;
- p = find_create_pid(we->wakee);
+ we->next = tchart->wake_events;
+ tchart->wake_events = we;
+ p = find_create_pid(tchart, we->wakee);
if (p && p->current && p->current->state == TYPE_NONE) {
p->current->state_since = timestamp;
p->current->state = TYPE_WAITING;
}
if (p && p->current && p->current->state == TYPE_BLOCKED) {
- pid_put_sample(p->pid, p->current->state, cpu,
+ pid_put_sample(tchart, p->pid, p->current->state, cpu,
p->current->state_since, timestamp, NULL);
p->current->state_since = timestamp;
p->current->state = TYPE_WAITING;
}
}
-static void sched_switch(int cpu, u64 timestamp, int prev_pid, int next_pid,
- u64 prev_state, const char *backtrace)
+static void sched_switch(struct timechart *tchart, int cpu, u64 timestamp,
+ int prev_pid, int next_pid, u64 prev_state,
+ const char *backtrace)
{
struct per_pid *p = NULL, *prev_p;
- prev_p = find_create_pid(prev_pid);
+ prev_p = find_create_pid(tchart, prev_pid);
- p = find_create_pid(next_pid);
+ p = find_create_pid(tchart, next_pid);
if (prev_p->current && prev_p->current->state != TYPE_NONE)
- pid_put_sample(prev_pid, TYPE_RUNNING, cpu,
+ pid_put_sample(tchart, prev_pid, TYPE_RUNNING, cpu,
prev_p->current->state_since, timestamp,
backtrace);
if (p && p->current) {
if (p->current->state != TYPE_NONE)
- pid_put_sample(next_pid, p->current->state, cpu,
+ pid_put_sample(tchart, next_pid, p->current->state, cpu,
p->current->state_since, timestamp,
backtrace);
@@ -506,36 +511,40 @@ exit:
return p;
}
-typedef int (*tracepoint_handler)(struct perf_evsel *evsel,
+typedef int (*tracepoint_handler)(struct timechart *tchart,
+ struct perf_evsel *evsel,
struct perf_sample *sample,
const char *backtrace);
-static int process_sample_event(struct perf_tool *tool __maybe_unused,
+static int process_sample_event(struct perf_tool *tool,
union perf_event *event,
struct perf_sample *sample,
struct perf_evsel *evsel,
- struct machine *machine __maybe_unused)
+ struct machine *machine)
{
+ struct timechart *tchart = container_of(tool, struct timechart, tool);
+
if (evsel->attr.sample_type & PERF_SAMPLE_TIME) {
- if (!first_time || first_time > sample->time)
- first_time = sample->time;
- if (last_time < sample->time)
- last_time = sample->time;
+ if (!tchart->first_time || tchart->first_time > sample->time)
+ tchart->first_time = sample->time;
+ if (tchart->last_time < sample->time)
+ tchart->last_time = sample->time;
}
- if (sample->cpu > numcpus)
- numcpus = sample->cpu;
+ if (sample->cpu > tchart->numcpus)
+ tchart->numcpus = sample->cpu;
if (evsel->handler != NULL) {
tracepoint_handler f = evsel->handler;
- return f(evsel, sample, cat_backtrace(event, sample, machine));
+ return f(tchart, evsel, sample, cat_backtrace(event, sample, machine));
}
return 0;
}
static int
-process_sample_cpu_idle(struct perf_evsel *evsel,
+process_sample_cpu_idle(struct timechart *tchart __maybe_unused,
+ struct perf_evsel *evsel,
struct perf_sample *sample,
const char *backtrace __maybe_unused)
{
@@ -543,26 +552,28 @@ process_sample_cpu_idle(struct perf_evsel *evsel,
u32 cpu_id = perf_evsel__intval(evsel, sample, "cpu_id");
if (state == (u32)PWR_EVENT_EXIT)
- c_state_end(cpu_id, sample->time);
+ c_state_end(tchart, cpu_id, sample->time);
else
c_state_start(cpu_id, sample->time, state);
return 0;
}
static int
-process_sample_cpu_frequency(struct perf_evsel *evsel,
+process_sample_cpu_frequency(struct timechart *tchart,
+ struct perf_evsel *evsel,
struct perf_sample *sample,
const char *backtrace __maybe_unused)
{
u32 state = perf_evsel__intval(evsel, sample, "state");
u32 cpu_id = perf_evsel__intval(evsel, sample, "cpu_id");
- p_state_change(cpu_id, sample->time, state);
+ p_state_change(tchart, cpu_id, sample->time, state);
return 0;
}
static int
-process_sample_sched_wakeup(struct perf_evsel *evsel,
+process_sample_sched_wakeup(struct timechart *tchart,
+ struct perf_evsel *evsel,
struct perf_sample *sample,
const char *backtrace)
{
@@ -570,12 +581,13 @@ process_sample_sched_wakeup(struct perf_evsel *evsel,
int waker = perf_evsel__intval(evsel, sample, "common_pid");
int wakee = perf_evsel__intval(evsel, sample, "pid");
- sched_wakeup(sample->cpu, sample->time, waker, wakee, flags, backtrace);
+ sched_wakeup(tchart, sample->cpu, sample->time, waker, wakee, flags, backtrace);
return 0;
}
static int
-process_sample_sched_switch(struct perf_evsel *evsel,
+process_sample_sched_switch(struct timechart *tchart,
+ struct perf_evsel *evsel,
struct perf_sample *sample,
const char *backtrace)
{
@@ -583,14 +595,15 @@ process_sample_sched_switch(struct perf_evsel *evsel,
int next_pid = perf_evsel__intval(evsel, sample, "next_pid");
u64 prev_state = perf_evsel__intval(evsel, sample, "prev_state");
- sched_switch(sample->cpu, sample->time, prev_pid, next_pid, prev_state,
- backtrace);
+ sched_switch(tchart, sample->cpu, sample->time, prev_pid, next_pid,
+ prev_state, backtrace);
return 0;
}
#ifdef SUPPORT_OLD_POWER_EVENTS
static int
-process_sample_power_start(struct perf_evsel *evsel,
+process_sample_power_start(struct timechart *tchart __maybe_unused,
+ struct perf_evsel *evsel,
struct perf_sample *sample,
const char *backtrace __maybe_unused)
{
@@ -602,23 +615,25 @@ process_sample_power_start(struct perf_evsel *evsel,
}
static int
-process_sample_power_end(struct perf_evsel *evsel __maybe_unused,
+process_sample_power_end(struct timechart *tchart,
+ struct perf_evsel *evsel __maybe_unused,
struct perf_sample *sample,
const char *backtrace __maybe_unused)
{
- c_state_end(sample->cpu, sample->time);
+ c_state_end(tchart, sample->cpu, sample->time);
return 0;
}
static int
-process_sample_power_frequency(struct perf_evsel *evsel,
+process_sample_power_frequency(struct timechart *tchart,
+ struct perf_evsel *evsel,
struct perf_sample *sample,
const char *backtrace __maybe_unused)
{
u64 cpu_id = perf_evsel__intval(evsel, sample, "cpu_id");
u64 value = perf_evsel__intval(evsel, sample, "value");
- p_state_change(cpu_id, sample->time, value);
+ p_state_change(tchart, cpu_id, sample->time, value);
return 0;
}
#endif /* SUPPORT_OLD_POWER_EVENTS */
@@ -627,12 +642,12 @@ process_sample_power_frequency(struct perf_evsel *evsel,
* After the last sample we need to wrap up the current C/P state
* and close out each CPU for these.
*/
-static void end_sample_processing(void)
+static void end_sample_processing(struct timechart *tchart)
{
u64 cpu;
struct power_event *pwr;
- for (cpu = 0; cpu <= numcpus; cpu++) {
+ for (cpu = 0; cpu <= tchart->numcpus; cpu++) {
/* C state */
#if 0
pwr = zalloc(sizeof(*pwr));
@@ -641,12 +656,12 @@ static void end_sample_processing(void)
pwr->state = cpus_cstate_state[cpu];
pwr->start_time = cpus_cstate_start_times[cpu];
- pwr->end_time = last_time;
+ pwr->end_time = tchart->last_time;
pwr->cpu = cpu;
pwr->type = CSTATE;
- pwr->next = power_events;
+ pwr->next = tchart->power_events;
- power_events = pwr;
+ tchart->power_events = pwr;
#endif
/* P state */
@@ -656,32 +671,32 @@ static void end_sample_processing(void)
pwr->state = cpus_pstate_state[cpu];
pwr->start_time = cpus_pstate_start_times[cpu];
- pwr->end_time = last_time;
+ pwr->end_time = tchart->last_time;
pwr->cpu = cpu;
pwr->type = PSTATE;
- pwr->next = power_events;
+ pwr->next = tchart->power_events;
if (!pwr->start_time)
- pwr->start_time = first_time;
+ pwr->start_time = tchart->first_time;
if (!pwr->state)
- pwr->state = min_freq;
- power_events = pwr;
+ pwr->state = tchart->min_freq;
+ tchart->power_events = pwr;
}
}
/*
* Sort the pid datastructure
*/
-static void sort_pids(void)
+static void sort_pids(struct timechart *tchart)
{
struct per_pid *new_list, *p, *cursor, *prev;
/* sort by ppid first, then by pid, lowest to highest */
new_list = NULL;
- while (all_data) {
- p = all_data;
- all_data = p->next;
+ while (tchart->all_data) {
+ p = tchart->all_data;
+ tchart->all_data = p->next;
p->next = NULL;
if (new_list == NULL) {
@@ -714,14 +729,14 @@ static void sort_pids(void)
prev->next = p;
}
}
- all_data = new_list;
+ tchart->all_data = new_list;
}
-static void draw_c_p_states(void)
+static void draw_c_p_states(struct timechart *tchart)
{
struct power_event *pwr;
- pwr = power_events;
+ pwr = tchart->power_events;
/*
* two pass drawing so that the P state bars are on top of the C state blocks
@@ -732,30 +747,30 @@ static void draw_c_p_states(void)
pwr = pwr->next;
}
- pwr = power_events;
+ pwr = tchart->power_events;
while (pwr) {
if (pwr->type == PSTATE) {
if (!pwr->state)
- pwr->state = min_freq;
+ pwr->state = tchart->min_freq;
svg_pstate(pwr->cpu, pwr->start_time, pwr->end_time, pwr->state);
}
pwr = pwr->next;
}
}
-static void draw_wakeups(void)
+static void draw_wakeups(struct timechart *tchart)
{
struct wake_event *we;
struct per_pid *p;
struct per_pidcomm *c;
- we = wake_events;
+ we = tchart->wake_events;
while (we) {
int from = 0, to = 0;
char *task_from = NULL, *task_to = NULL;
/* locate the column of the waker and wakee */
- p = all_data;
+ p = tchart->all_data;
while (p) {
if (p->pid == we->waker || p->pid == we->wakee) {
c = p->all;
@@ -811,12 +826,12 @@ static void draw_wakeups(void)
}
}
-static void draw_cpu_usage(void)
+static void draw_cpu_usage(struct timechart *tchart)
{
struct per_pid *p;
struct per_pidcomm *c;
struct cpu_sample *sample;
- p = all_data;
+ p = tchart->all_data;
while (p) {
c = p->all;
while (c) {
@@ -833,16 +848,16 @@ static void draw_cpu_usage(void)
}
}
-static void draw_process_bars(void)
+static void draw_process_bars(struct timechart *tchart)
{
struct per_pid *p;
struct per_pidcomm *c;
struct cpu_sample *sample;
int Y = 0;
- Y = 2 * numcpus + 2;
+ Y = 2 * tchart->numcpus + 2;
- p = all_data;
+ p = tchart->all_data;
while (p) {
c = p->all;
while (c) {
@@ -922,21 +937,21 @@ static int passes_filter(struct per_pid *p, struct per_pidcomm *c)
return 0;
}
-static int determine_display_tasks_filtered(void)
+static int determine_display_tasks_filtered(struct timechart *tchart)
{
struct per_pid *p;
struct per_pidcomm *c;
int count = 0;
- p = all_data;
+ p = tchart->all_data;
while (p) {
p->display = 0;
if (p->start_time == 1)
- p->start_time = first_time;
+ p->start_time = tchart->first_time;
/* no exit marker, task kept running to the end */
if (p->end_time == 0)
- p->end_time = last_time;
+ p->end_time = tchart->last_time;
c = p->all;
@@ -944,7 +959,7 @@ static int determine_display_tasks_filtered(void)
c->display = 0;
if (c->start_time == 1)
- c->start_time = first_time;
+ c->start_time = tchart->first_time;
if (passes_filter(p, c)) {
c->display = 1;
@@ -953,7 +968,7 @@ static int determine_display_tasks_filtered(void)
}
if (c->end_time == 0)
- c->end_time = last_time;
+ c->end_time = tchart->last_time;
c = c->next;
}
@@ -962,24 +977,24 @@ static int determine_display_tasks_filtered(void)
return count;
}
-static int determine_display_tasks(u64 threshold)
+static int determine_display_tasks(struct timechart *tchart, u64 threshold)
{
struct per_pid *p;
struct per_pidcomm *c;
int count = 0;
if (process_filter)
- return determine_display_tasks_filtered();
+ return determine_display_tasks_filtered(tchart);
- p = all_data;
+ p = tchart->all_data;
while (p) {
p->display = 0;
if (p->start_time == 1)
- p->start_time = first_time;
+ p->start_time = tchart->first_time;
/* no exit marker, task kept running to the end */
if (p->end_time == 0)
- p->end_time = last_time;
+ p->end_time = tchart->last_time;
if (p->total_time >= threshold)
p->display = 1;
@@ -989,7 +1004,7 @@ static int determine_display_tasks(u64 threshold)
c->display = 0;
if (c->start_time == 1)
- c->start_time = first_time;
+ c->start_time = tchart->first_time;
if (c->total_time >= threshold) {
c->display = 1;
@@ -997,7 +1012,7 @@ static int determine_display_tasks(u64 threshold)
}
if (c->end_time == 0)
- c->end_time = last_time;
+ c->end_time = tchart->last_time;
c = c->next;
}
@@ -1010,52 +1025,45 @@ static int determine_display_tasks(u64 threshold)
#define TIME_THRESH 10000000
-static void write_svg_file(const char *filename)
+static void write_svg_file(struct timechart *tchart, const char *filename)
{
u64 i;
int count;
int thresh = TIME_THRESH;
- numcpus++;
+ tchart->numcpus++;
- if (power_only)
- proc_num = 0;
+ if (tchart->power_only)
+ tchart->proc_num = 0;
/* We'd like to show at least proc_num tasks;
* be less picky if we have fewer */
do {
- count = determine_display_tasks(thresh);
+ count = determine_display_tasks(tchart, thresh);
thresh /= 10;
- } while (!process_filter && thresh && count < proc_num);
+ } while (!process_filter && thresh && count < tchart->proc_num);
- open_svg(filename, numcpus, count, first_time, last_time);
+ open_svg(filename, tchart->numcpus, count, tchart->first_time, tchart->last_time);
svg_time_grid();
svg_legenda();
- for (i = 0; i < numcpus; i++)
- svg_cpu_box(i, max_freq, turbo_frequency);
+ for (i = 0; i < tchart->numcpus; i++)
+ svg_cpu_box(i, tchart->max_freq, tchart->turbo_frequency);
- draw_cpu_usage();
- if (proc_num)
- draw_process_bars();
- if (!tasks_only)
- draw_c_p_states();
- if (proc_num)
- draw_wakeups();
+ draw_cpu_usage(tchart);
+ if (tchart->proc_num)
+ draw_process_bars(tchart);
+ if (!tchart->tasks_only)
+ draw_c_p_states(tchart);
+ if (tchart->proc_num)
+ draw_wakeups(tchart);
svg_close();
}
-static int __cmd_timechart(const char *output_name)
+static int __cmd_timechart(struct timechart *tchart, const char *output_name)
{
- struct perf_tool perf_timechart = {
- .comm = process_comm_event,
- .fork = process_fork_event,
- .exit = process_exit_event,
- .sample = process_sample_event,
- .ordered_samples = true,
- };
const struct perf_evsel_str_handler power_tracepoints[] = {
{ "power:cpu_idle", process_sample_cpu_idle },
{ "power:cpu_frequency", process_sample_cpu_frequency },
@@ -1073,7 +1081,7 @@ static int __cmd_timechart(const char *output_name)
};
struct perf_session *session = perf_session__new(&file, false,
- &perf_timechart);
+ &tchart->tool);
int ret = -EINVAL;
if (session == NULL)
@@ -1088,24 +1096,24 @@ static int __cmd_timechart(const char *output_name)
goto out_delete;
}
- ret = perf_session__process_events(session, &perf_timechart);
+ ret = perf_session__process_events(session, &tchart->tool);
if (ret)
goto out_delete;
- end_sample_processing();
+ end_sample_processing(tchart);
- sort_pids();
+ sort_pids(tchart);
- write_svg_file(output_name);
+ write_svg_file(tchart, output_name);
pr_info("Written %2.1f seconds of trace to %s.\n",
- (last_time - first_time) / 1000000000.0, output_name);
+ (tchart->last_time - tchart->first_time) / 1000000000.0, output_name);
out_delete:
perf_session__delete(session);
return ret;
}
-static int __cmd_record(int argc, const char **argv)
+static int timechart__record(struct timechart *tchart, int argc, const char **argv)
{
unsigned int rec_argc, i, j;
const char **rec_argv;
@@ -1153,15 +1161,15 @@ static int __cmd_record(int argc, const char **argv)
}
#endif
- if (power_only)
+ if (tchart->power_only)
tasks_args_nr = 0;
- if (tasks_only) {
+ if (tchart->tasks_only) {
power_args_nr = 0;
old_power_args_nr = 0;
}
- if (!with_backtrace)
+ if (!tchart->with_backtrace)
backtrace_args_no = 0;
record_elems = common_args_nr + tasks_args_nr +
@@ -1207,20 +1215,30 @@ parse_process(const struct option *opt __maybe_unused, const char *arg,
int cmd_timechart(int argc, const char **argv,
const char *prefix __maybe_unused)
{
+ struct timechart tchart = {
+ .tool = {
+ .comm = process_comm_event,
+ .fork = process_fork_event,
+ .exit = process_exit_event,
+ .sample = process_sample_event,
+ .ordered_samples = true,
+ },
+ .proc_num = 15,
+ };
const char *output_name = "output.svg";
const struct option timechart_options[] = {
OPT_STRING('i', "input", &input_name, "file", "input file name"),
OPT_STRING('o', "output", &output_name, "file", "output file name"),
OPT_INTEGER('w', "width", &svg_page_width, "page width"),
- OPT_BOOLEAN('P', "power-only", &power_only, "output power data only"),
- OPT_BOOLEAN('T', "tasks-only", &tasks_only,
+ OPT_BOOLEAN('P', "power-only", &tchart.power_only, "output power data only"),
+ OPT_BOOLEAN('T', "tasks-only", &tchart.tasks_only,
"output processes data only"),
OPT_CALLBACK('p', "process", NULL, "process",
"process selector. Pass a pid or process name.",
parse_process),
OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory",
"Look for files with symbols relative to this directory"),
- OPT_INTEGER('n', "proc-num", &proc_num,
+ OPT_INTEGER('n', "proc-num", &tchart.proc_num,
"min. number of tasks to print"),
OPT_END()
};
@@ -1230,10 +1248,10 @@ int cmd_timechart(int argc, const char **argv,
};
const struct option record_options[] = {
- OPT_BOOLEAN('P', "power-only", &power_only, "output power data only"),
- OPT_BOOLEAN('T', "tasks-only", &tasks_only,
+ OPT_BOOLEAN('P', "power-only", &tchart.power_only, "output power data only"),
+ OPT_BOOLEAN('T', "tasks-only", &tchart.tasks_only,
"output processes data only"),
- OPT_BOOLEAN('g', "callchain", &with_backtrace, "record callchain"),
+ OPT_BOOLEAN('g', "callchain", &tchart.with_backtrace, "record callchain"),
OPT_END()
};
const char * const record_usage[] = {
@@ -1243,7 +1261,7 @@ int cmd_timechart(int argc, const char **argv,
argc = parse_options(argc, argv, timechart_options, timechart_usage,
PARSE_OPT_STOP_AT_NON_OPTION);
- if (power_only && tasks_only) {
+ if (tchart.power_only && tchart.tasks_only) {
pr_err("-P and -T options cannot be used at the same time.\n");
return -1;
}
@@ -1254,16 +1272,16 @@ int cmd_timechart(int argc, const char **argv,
argc = parse_options(argc, argv, record_options, record_usage,
PARSE_OPT_STOP_AT_NON_OPTION);
- if (power_only && tasks_only) {
+ if (tchart.power_only && tchart.tasks_only) {
pr_err("-P and -T options cannot be used at the same time.\n");
return -1;
}
- return __cmd_record(argc, argv);
+ return timechart__record(&tchart, argc, argv);
} else if (argc)
usage_with_options(timechart_usage, timechart_options);
setup_pager();
- return __cmd_timechart(output_name);
+ return __cmd_timechart(&tchart, output_name);
}
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index e9f345e2551a..9f2a242fa79c 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -1890,7 +1890,7 @@ static int trace__run(struct trace *trace, int argc, const char **argv)
if (err < 0)
goto out_error_open;
- err = perf_evlist__mmap(evlist, UINT_MAX, false);
+ err = perf_evlist__mmap(evlist, trace->opts.mmap_pages, false);
if (err < 0) {
fprintf(trace->output, "Couldn't mmap the events: %s\n", strerror(errno));
goto out_close_evlist;
diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile
index f7d11a811c74..36e66ac40abc 100644
--- a/tools/perf/config/Makefile
+++ b/tools/perf/config/Makefile
@@ -533,7 +533,7 @@ endif
ifndef NO_LIBNUMA
ifeq ($(feature-libnuma), 0)
- msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numa-libs-devel or libnuma-dev);
+ msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
NO_LIBNUMA := 1
else
CFLAGS += -DHAVE_LIBNUMA_SUPPORT
diff --git a/tools/perf/config/feature-checks/test-all.c b/tools/perf/config/feature-checks/test-all.c
index 59e7a705e146..9b8a544155bb 100644
--- a/tools/perf/config/feature-checks/test-all.c
+++ b/tools/perf/config/feature-checks/test-all.c
@@ -85,6 +85,10 @@
# include "test-timerfd.c"
#undef main
+#define main main_test_stackprotector_all
+# include "test-stackprotector-all.c"
+#undef main
+
int main(int argc, char *argv[])
{
main_test_libpython();
@@ -106,6 +110,7 @@ int main(int argc, char *argv[])
main_test_backtrace();
main_test_libnuma();
main_test_timerfd();
+ main_test_stackprotector_all();
return 0;
}
diff --git a/tools/perf/util/data.c b/tools/perf/util/data.c
index 7d09faf85cf1..1fbcd8bdc11b 100644
--- a/tools/perf/util/data.c
+++ b/tools/perf/util/data.c
@@ -118,3 +118,9 @@ void perf_data_file__close(struct perf_data_file *file)
{
close(file->fd);
}
+
+ssize_t perf_data_file__write(struct perf_data_file *file,
+ void *buf, size_t size)
+{
+ return writen(file->fd, buf, size);
+}
diff --git a/tools/perf/util/data.h b/tools/perf/util/data.h
index 8c2df80152a5..2b15d0c95c7f 100644
--- a/tools/perf/util/data.h
+++ b/tools/perf/util/data.h
@@ -9,12 +9,12 @@ enum perf_data_mode {
};
struct perf_data_file {
- const char *path;
- int fd;
- bool is_pipe;
- bool force;
- unsigned long size;
- enum perf_data_mode mode;
+ const char *path;
+ int fd;
+ bool is_pipe;
+ bool force;
+ unsigned long size;
+ enum perf_data_mode mode;
};
static inline bool perf_data_file__is_read(struct perf_data_file *file)
@@ -44,5 +44,7 @@ static inline unsigned long perf_data_file__size(struct perf_data_file *file)
int perf_data_file__open(struct perf_data_file *file);
void perf_data_file__close(struct perf_data_file *file);
+ssize_t perf_data_file__write(struct perf_data_file *file,
+ void *buf, size_t size);
#endif /* __PERF_DATA_H */
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index 1cd035708931..3e755f2bfe8f 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -1709,7 +1709,7 @@ static int process_nrcpus(struct perf_file_section *section __maybe_unused,
struct perf_header *ph, int fd,
void *data __maybe_unused)
{
- size_t ret;
+ ssize_t ret;
u32 nr;
ret = readn(fd, &nr, sizeof(nr));
@@ -1753,7 +1753,7 @@ static int process_total_mem(struct perf_file_section *section __maybe_unused,
void *data __maybe_unused)
{
uint64_t mem;
- size_t ret;
+ ssize_t ret;
ret = readn(fd, &mem, sizeof(mem));
if (ret != sizeof(mem))
@@ -1822,7 +1822,7 @@ static int process_cmdline(struct perf_file_section *section __maybe_unused,
struct perf_header *ph, int fd,
void *data __maybe_unused)
{
- size_t ret;
+ ssize_t ret;
char *str;
u32 nr, i;
struct strbuf sb;
@@ -1858,7 +1858,7 @@ static int process_cpu_topology(struct perf_file_section *section __maybe_unused
struct perf_header *ph, int fd,
void *data __maybe_unused)
{
- size_t ret;
+ ssize_t ret;
u32 nr, i;
char *str;
struct strbuf sb;
@@ -1914,7 +1914,7 @@ static int process_numa_topology(struct perf_file_section *section __maybe_unuse
struct perf_header *ph, int fd,
void *data __maybe_unused)
{
- size_t ret;
+ ssize_t ret;
u32 nr, node, i;
char *str;
uint64_t mem_total, mem_free;
@@ -1974,7 +1974,7 @@ static int process_pmu_mappings(struct perf_file_section *section __maybe_unused
struct perf_header *ph, int fd,
void *data __maybe_unused)
{
- size_t ret;
+ ssize_t ret;
char *name;
u32 pmu_num;
u32 type;
@@ -2534,7 +2534,7 @@ static int check_magic_endian(u64 magic, uint64_t hdr_sz,
int perf_file_header__read(struct perf_file_header *header,
struct perf_header *ph, int fd)
{
- int ret;
+ ssize_t ret;
lseek(fd, 0, SEEK_SET);
@@ -2628,7 +2628,7 @@ static int perf_file_header__read_pipe(struct perf_pipe_file_header *header,
struct perf_header *ph, int fd,
bool repipe)
{
- int ret;
+ ssize_t ret;
ret = readn(fd, header, sizeof(*header));
if (ret <= 0)
@@ -2669,7 +2669,7 @@ static int read_attr(int fd, struct perf_header *ph,
struct perf_event_attr *attr = &f_attr->attr;
size_t sz, left;
size_t our_sz = sizeof(f_attr->attr);
- int ret;
+ ssize_t ret;
memset(f_attr, 0, sizeof(*f_attr));
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index b0b15e213df5..4ce146bae552 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -1158,7 +1158,7 @@ static int __perf_session__process_pipe_events(struct perf_session *session,
void *buf = NULL;
int skip = 0;
u64 head;
- int err;
+ ssize_t err;
void *p;
perf_tool__fill_defaults(tool);
diff --git a/tools/perf/util/util.c b/tools/perf/util/util.c
index 28a0a89c1f73..b1d5376b9dd9 100644
--- a/tools/perf/util/util.c
+++ b/tools/perf/util/util.c
@@ -6,6 +6,7 @@
#endif
#include <stdio.h>
#include <stdlib.h>
+#include <linux/kernel.h>
/*
* XXX We need to find a better place for these things...
@@ -151,21 +152,40 @@ unsigned long convert_unit(unsigned long value, char *unit)
return value;
}
-int readn(int fd, void *buf, size_t n)
+static ssize_t ion(bool is_read, int fd, void *buf, size_t n)
{
void *buf_start = buf;
+ size_t left = n;
- while (n) {
- int ret = read(fd, buf, n);
+ while (left) {
+ ssize_t ret = is_read ? read(fd, buf, left) :
+ write(fd, buf, left);
if (ret <= 0)
return ret;
- n -= ret;
- buf += ret;
+ left -= ret;
+ buf += ret;
}
- return buf - buf_start;
+ BUG_ON((size_t)(buf - buf_start) != n);
+ return n;
+}
+
+/*
+ * Read exactly 'n' bytes or return an error.
+ */
+ssize_t readn(int fd, void *buf, size_t n)
+{
+ return ion(true, fd, buf, n);
+}
+
+/*
+ * Write exactly 'n' bytes or return an error.
+ */
+ssize_t writen(int fd, void *buf, size_t n)
+{
+ return ion(false, fd, buf, n);
}
size_t hex_width(u64 v)
diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h
index c8f362daba87..ce0f73d4d91f 100644
--- a/tools/perf/util/util.h
+++ b/tools/perf/util/util.h
@@ -253,7 +253,8 @@ bool strlazymatch(const char *str, const char *pat);
int strtailcmp(const char *s1, const char *s2);
char *strxfrchar(char *s, char from, char to);
unsigned long convert_unit(unsigned long value, char *unit);
-int readn(int fd, void *buf, size_t size);
+ssize_t readn(int fd, void *buf, size_t n);
+ssize_t writen(int fd, void *buf, size_t n);
struct perf_event_attr;
generated by cgit v1.2.3 (git 2.25.1) at 2025-03-01 10:10:51 +0000