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-rw-r--r--tools/perf/builtin-timechart.c118
1 files changed, 44 insertions, 74 deletions
diff --git a/tools/perf/builtin-timechart.c b/tools/perf/builtin-timechart.c
index cb58b6605fc..a589a43112d 100644
--- a/tools/perf/builtin-timechart.c
+++ b/tools/perf/builtin-timechart.c
@@ -30,15 +30,12 @@
#include "util/parse-options.h"
#include "util/parse-events.h"
#include "util/event.h"
-#include "util/data_map.h"
+#include "util/session.h"
#include "util/svghelper.h"
static char const *input_name = "perf.data";
static char const *output_name = "output.svg";
-
-static u64 sample_type;
-
static unsigned int numcpus;
static u64 min_freq; /* Lowest CPU frequency seen */
static u64 max_freq; /* Highest CPU frequency seen */
@@ -281,33 +278,30 @@ 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(event_t *event)
+static int process_comm_event(event_t *event, struct perf_session *session __used)
{
pid_set_comm(event->comm.pid, event->comm.comm);
return 0;
}
-static int
-process_fork_event(event_t *event)
+
+static int process_fork_event(event_t *event, struct perf_session *session __used)
{
pid_fork(event->fork.pid, event->fork.ppid, event->fork.time);
return 0;
}
-static int
-process_exit_event(event_t *event)
+static int process_exit_event(event_t *event, struct perf_session *session __used)
{
pid_exit(event->fork.pid, event->fork.time);
return 0;
}
struct trace_entry {
- u32 size;
unsigned short type;
unsigned char flags;
unsigned char preempt_count;
int pid;
- int tgid;
+ int lock_depth;
};
struct power_entry {
@@ -481,46 +475,24 @@ static void sched_switch(int cpu, u64 timestamp, struct trace_entry *te)
}
-static int
-process_sample_event(event_t *event)
+static int process_sample_event(event_t *event, struct perf_session *session)
{
- int cursor = 0;
- u64 addr = 0;
- u64 stamp = 0;
- u32 cpu = 0;
- u32 pid = 0;
+ struct sample_data data;
struct trace_entry *te;
- if (sample_type & PERF_SAMPLE_IP)
- cursor++;
-
- if (sample_type & PERF_SAMPLE_TID) {
- pid = event->sample.array[cursor]>>32;
- cursor++;
- }
- if (sample_type & PERF_SAMPLE_TIME) {
- stamp = event->sample.array[cursor++];
+ memset(&data, 0, sizeof(data));
- if (!first_time || first_time > stamp)
- first_time = stamp;
- if (last_time < stamp)
- last_time = stamp;
+ event__parse_sample(event, session->sample_type, &data);
+ if (session->sample_type & PERF_SAMPLE_TIME) {
+ if (!first_time || first_time > data.time)
+ first_time = data.time;
+ if (last_time < data.time)
+ last_time = data.time;
}
- if (sample_type & PERF_SAMPLE_ADDR)
- addr = event->sample.array[cursor++];
- if (sample_type & PERF_SAMPLE_ID)
- cursor++;
- if (sample_type & PERF_SAMPLE_STREAM_ID)
- cursor++;
- if (sample_type & PERF_SAMPLE_CPU)
- cpu = event->sample.array[cursor++] & 0xFFFFFFFF;
- if (sample_type & PERF_SAMPLE_PERIOD)
- cursor++;
-
- te = (void *)&event->sample.array[cursor];
- if (sample_type & PERF_SAMPLE_RAW && te->size > 0) {
+ te = (void *)data.raw_data;
+ if (session->sample_type & PERF_SAMPLE_RAW && data.raw_size > 0) {
char *event_str;
struct power_entry *pe;
@@ -532,19 +504,19 @@ process_sample_event(event_t *event)
return 0;
if (strcmp(event_str, "power:power_start") == 0)
- c_state_start(cpu, stamp, pe->value);
+ c_state_start(data.cpu, data.time, pe->value);
if (strcmp(event_str, "power:power_end") == 0)
- c_state_end(cpu, stamp);
+ c_state_end(data.cpu, data.time);
if (strcmp(event_str, "power:power_frequency") == 0)
- p_state_change(cpu, stamp, pe->value);
+ p_state_change(data.cpu, data.time, pe->value);
if (strcmp(event_str, "sched:sched_wakeup") == 0)
- sched_wakeup(cpu, stamp, pid, te);
+ sched_wakeup(data.cpu, data.time, data.pid, te);
if (strcmp(event_str, "sched:sched_switch") == 0)
- sched_switch(cpu, stamp, te);
+ sched_switch(data.cpu, data.time, te);
}
return 0;
}
@@ -597,16 +569,16 @@ static void end_sample_processing(void)
}
}
-static u64 sample_time(event_t *event)
+static u64 sample_time(event_t *event, const struct perf_session *session)
{
int cursor;
cursor = 0;
- if (sample_type & PERF_SAMPLE_IP)
+ if (session->sample_type & PERF_SAMPLE_IP)
cursor++;
- if (sample_type & PERF_SAMPLE_TID)
+ if (session->sample_type & PERF_SAMPLE_TID)
cursor++;
- if (sample_type & PERF_SAMPLE_TIME)
+ if (session->sample_type & PERF_SAMPLE_TIME)
return event->sample.array[cursor];
return 0;
}
@@ -616,8 +588,7 @@ static u64 sample_time(event_t *event)
* We first queue all events, sorted backwards by insertion.
* The order will get flipped later.
*/
-static int
-queue_sample_event(event_t *event)
+static int queue_sample_event(event_t *event, struct perf_session *session)
{
struct sample_wrapper *copy, *prev;
int size;
@@ -631,7 +602,7 @@ queue_sample_event(event_t *event)
memset(copy, 0, size);
copy->next = NULL;
- copy->timestamp = sample_time(event);
+ copy->timestamp = sample_time(event, session);
memcpy(&copy->data, event, event->sample.header.size);
@@ -1043,7 +1014,7 @@ static void write_svg_file(const char *filename)
svg_close();
}
-static void process_samples(void)
+static void process_samples(struct perf_session *session)
{
struct sample_wrapper *cursor;
event_t *event;
@@ -1054,15 +1025,13 @@ static void process_samples(void)
while (cursor) {
event = (void *)&cursor->data;
cursor = cursor->next;
- process_sample_event(event);
+ process_sample_event(event, session);
}
}
-static int sample_type_check(u64 type)
+static int sample_type_check(struct perf_session *session)
{
- sample_type = type;
-
- if (!(sample_type & PERF_SAMPLE_RAW)) {
+ if (!(session->sample_type & PERF_SAMPLE_RAW)) {
fprintf(stderr, "No trace samples found in the file.\n"
"Have you used 'perf timechart record' to record it?\n");
return -1;
@@ -1071,7 +1040,7 @@ static int sample_type_check(u64 type)
return 0;
}
-static struct perf_file_handler file_handler = {
+static struct perf_event_ops event_ops = {
.process_comm_event = process_comm_event,
.process_fork_event = process_fork_event,
.process_exit_event = process_exit_event,
@@ -1081,17 +1050,17 @@ static struct perf_file_handler file_handler = {
static int __cmd_timechart(void)
{
- struct perf_header *header;
+ struct perf_session *session = perf_session__new(input_name, O_RDONLY, 0);
int ret;
- register_perf_file_handler(&file_handler);
+ if (session == NULL)
+ return -ENOMEM;
- ret = mmap_dispatch_perf_file(&header, input_name, 0, 0,
- &event__cwdlen, &event__cwd);
+ ret = perf_session__process_events(session, &event_ops);
if (ret)
- return EXIT_FAILURE;
+ goto out_delete;
- process_samples();
+ process_samples(session);
end_sample_processing();
@@ -1101,8 +1070,9 @@ static int __cmd_timechart(void)
pr_info("Written %2.1f seconds of trace to %s.\n",
(last_time - first_time) / 1000000000.0, output_name);
-
- return EXIT_SUCCESS;
+out_delete:
+ perf_session__delete(session);
+ return ret;
}
static const char * const timechart_usage[] = {
@@ -1167,11 +1137,11 @@ static const struct option options[] = {
int cmd_timechart(int argc, const char **argv, const char *prefix __used)
{
- symbol__init(0);
-
argc = parse_options(argc, argv, options, timechart_usage,
PARSE_OPT_STOP_AT_NON_OPTION);
+ symbol__init();
+
if (argc && !strncmp(argv[0], "rec", 3))
return __cmd_record(argc, argv);
else if (argc)
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-19 02:38:29 +0000