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-rw-r--r--tools/perf/builtin-script.c266
1 files changed, 239 insertions, 27 deletions
diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index baf1798..9e9c91f 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -43,6 +43,7 @@ enum perf_output_field {
PERF_OUTPUT_DSO = 1U << 9,
PERF_OUTPUT_ADDR = 1U << 10,
PERF_OUTPUT_SYMOFFSET = 1U << 11,
+ PERF_OUTPUT_SRCLINE = 1U << 12,
};
struct output_option {
@@ -61,6 +62,7 @@ struct output_option {
{.str = "dso", .field = PERF_OUTPUT_DSO},
{.str = "addr", .field = PERF_OUTPUT_ADDR},
{.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET},
+ {.str = "srcline", .field = PERF_OUTPUT_SRCLINE},
};
/* default set to maintain compatibility with current format */
@@ -210,6 +212,11 @@ static int perf_evsel__check_attr(struct perf_evsel *evsel,
"to DSO.\n");
return -EINVAL;
}
+ if (PRINT_FIELD(SRCLINE) && !PRINT_FIELD(IP)) {
+ pr_err("Display of source line number requested but sample IP is not\n"
+ "selected. Hence, no address to lookup the source line number.\n");
+ return -EINVAL;
+ }
if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) &&
perf_evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID",
@@ -245,6 +252,9 @@ static void set_print_ip_opts(struct perf_event_attr *attr)
if (PRINT_FIELD(SYMOFFSET))
output[type].print_ip_opts |= PRINT_IP_OPT_SYMOFFSET;
+
+ if (PRINT_FIELD(SRCLINE))
+ output[type].print_ip_opts |= PRINT_IP_OPT_SRCLINE;
}
/*
@@ -280,6 +290,30 @@ static int perf_session__check_output_opt(struct perf_session *session)
set_print_ip_opts(&evsel->attr);
}
+ /*
+ * set default for tracepoints to print symbols only
+ * if callchains are present
+ */
+ if (symbol_conf.use_callchain &&
+ !output[PERF_TYPE_TRACEPOINT].user_set) {
+ struct perf_event_attr *attr;
+
+ j = PERF_TYPE_TRACEPOINT;
+ evsel = perf_session__find_first_evtype(session, j);
+ if (evsel == NULL)
+ goto out;
+
+ attr = &evsel->attr;
+
+ if (attr->sample_type & PERF_SAMPLE_CALLCHAIN) {
+ output[j].fields |= PERF_OUTPUT_IP;
+ output[j].fields |= PERF_OUTPUT_SYM;
+ output[j].fields |= PERF_OUTPUT_DSO;
+ set_print_ip_opts(attr);
+ }
+ }
+
+out:
return 0;
}
@@ -288,7 +322,6 @@ static void print_sample_start(struct perf_sample *sample,
struct perf_evsel *evsel)
{
struct perf_event_attr *attr = &evsel->attr;
- const char *evname = NULL;
unsigned long secs;
unsigned long usecs;
unsigned long long nsecs;
@@ -323,11 +356,6 @@ static void print_sample_start(struct perf_sample *sample,
usecs = nsecs / NSECS_PER_USEC;
printf("%5lu.%06lu: ", secs, usecs);
}
-
- if (PRINT_FIELD(EVNAME)) {
- evname = perf_evsel__name(evsel);
- printf("%s: ", evname ? evname : "[unknown]");
- }
}
static bool is_bts_event(struct perf_event_attr *attr)
@@ -395,8 +423,8 @@ static void print_sample_addr(union perf_event *event,
static void print_sample_bts(union perf_event *event,
struct perf_sample *sample,
struct perf_evsel *evsel,
- struct machine *machine,
- struct thread *thread)
+ struct thread *thread,
+ struct addr_location *al)
{
struct perf_event_attr *attr = &evsel->attr;
@@ -406,7 +434,7 @@ static void print_sample_bts(union perf_event *event,
printf(" ");
else
printf("\n");
- perf_evsel__print_ip(evsel, event, sample, machine,
+ perf_evsel__print_ip(evsel, sample, al,
output[attr->type].print_ip_opts,
PERF_MAX_STACK_DEPTH);
}
@@ -417,15 +445,14 @@ static void print_sample_bts(union perf_event *event,
if (PRINT_FIELD(ADDR) ||
((evsel->attr.sample_type & PERF_SAMPLE_ADDR) &&
!output[attr->type].user_set))
- print_sample_addr(event, sample, machine, thread, attr);
+ print_sample_addr(event, sample, al->machine, thread, attr);
printf("\n");
}
static void process_event(union perf_event *event, struct perf_sample *sample,
- struct perf_evsel *evsel, struct machine *machine,
- struct thread *thread,
- struct addr_location *al __maybe_unused)
+ struct perf_evsel *evsel, struct thread *thread,
+ struct addr_location *al)
{
struct perf_event_attr *attr = &evsel->attr;
@@ -434,8 +461,13 @@ static void process_event(union perf_event *event, struct perf_sample *sample,
print_sample_start(sample, thread, evsel);
+ if (PRINT_FIELD(EVNAME)) {
+ const char *evname = perf_evsel__name(evsel);
+ printf("%s: ", evname ? evname : "[unknown]");
+ }
+
if (is_bts_event(attr)) {
- print_sample_bts(event, sample, evsel, machine, thread);
+ print_sample_bts(event, sample, evsel, thread, al);
return;
}
@@ -443,7 +475,7 @@ static void process_event(union perf_event *event, struct perf_sample *sample,
event_format__print(evsel->tp_format, sample->cpu,
sample->raw_data, sample->raw_size);
if (PRINT_FIELD(ADDR))
- print_sample_addr(event, sample, machine, thread, attr);
+ print_sample_addr(event, sample, al->machine, thread, attr);
if (PRINT_FIELD(IP)) {
if (!symbol_conf.use_callchain)
@@ -451,7 +483,7 @@ static void process_event(union perf_event *event, struct perf_sample *sample,
else
printf("\n");
- perf_evsel__print_ip(evsel, event, sample, machine,
+ perf_evsel__print_ip(evsel, sample, al,
output[attr->type].print_ip_opts,
PERF_MAX_STACK_DEPTH);
}
@@ -540,7 +572,7 @@ static int process_sample_event(struct perf_tool *tool __maybe_unused,
if (cpu_list && !test_bit(sample->cpu, cpu_bitmap))
return 0;
- scripting_ops->process_event(event, sample, evsel, machine, thread, &al);
+ scripting_ops->process_event(event, sample, evsel, thread, &al);
evsel->hists.stats.total_period += sample->period;
return 0;
@@ -549,6 +581,8 @@ static int process_sample_event(struct perf_tool *tool __maybe_unused,
struct perf_script {
struct perf_tool tool;
struct perf_session *session;
+ bool show_task_events;
+ bool show_mmap_events;
};
static int process_attr(struct perf_tool *tool, union perf_event *event,
@@ -569,7 +603,7 @@ static int process_attr(struct perf_tool *tool, union perf_event *event,
if (evsel->attr.type >= PERF_TYPE_MAX)
return 0;
- list_for_each_entry(pos, &evlist->entries, node) {
+ evlist__for_each(evlist, pos) {
if (pos->attr.type == evsel->attr.type && pos != evsel)
return 0;
}
@@ -579,6 +613,163 @@ static int process_attr(struct perf_tool *tool, union perf_event *event,
return perf_evsel__check_attr(evsel, scr->session);
}
+static int process_comm_event(struct perf_tool *tool,
+ union perf_event *event,
+ struct perf_sample *sample,
+ struct machine *machine)
+{
+ struct thread *thread;
+ struct perf_script *script = container_of(tool, struct perf_script, tool);
+ struct perf_session *session = script->session;
+ struct perf_evsel *evsel = perf_evlist__first(session->evlist);
+ int ret = -1;
+
+ thread = machine__findnew_thread(machine, event->comm.pid, event->comm.tid);
+ if (thread == NULL) {
+ pr_debug("problem processing COMM event, skipping it.\n");
+ return -1;
+ }
+
+ if (perf_event__process_comm(tool, event, sample, machine) < 0)
+ goto out;
+
+ if (!evsel->attr.sample_id_all) {
+ sample->cpu = 0;
+ sample->time = 0;
+ sample->tid = event->comm.tid;
+ sample->pid = event->comm.pid;
+ }
+ print_sample_start(sample, thread, evsel);
+ perf_event__fprintf(event, stdout);
+ ret = 0;
+
+out:
+ return ret;
+}
+
+static int process_fork_event(struct perf_tool *tool,
+ union perf_event *event,
+ struct perf_sample *sample,
+ struct machine *machine)
+{
+ struct thread *thread;
+ struct perf_script *script = container_of(tool, struct perf_script, tool);
+ struct perf_session *session = script->session;
+ struct perf_evsel *evsel = perf_evlist__first(session->evlist);
+
+ if (perf_event__process_fork(tool, event, sample, machine) < 0)
+ return -1;
+
+ thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid);
+ if (thread == NULL) {
+ pr_debug("problem processing FORK event, skipping it.\n");
+ return -1;
+ }
+
+ if (!evsel->attr.sample_id_all) {
+ sample->cpu = 0;
+ sample->time = event->fork.time;
+ sample->tid = event->fork.tid;
+ sample->pid = event->fork.pid;
+ }
+ print_sample_start(sample, thread, evsel);
+ perf_event__fprintf(event, stdout);
+
+ return 0;
+}
+static int process_exit_event(struct perf_tool *tool,
+ union perf_event *event,
+ struct perf_sample *sample,
+ struct machine *machine)
+{
+ struct thread *thread;
+ struct perf_script *script = container_of(tool, struct perf_script, tool);
+ struct perf_session *session = script->session;
+ struct perf_evsel *evsel = perf_evlist__first(session->evlist);
+
+ thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid);
+ if (thread == NULL) {
+ pr_debug("problem processing EXIT event, skipping it.\n");
+ return -1;
+ }
+
+ if (!evsel->attr.sample_id_all) {
+ sample->cpu = 0;
+ sample->time = 0;
+ sample->tid = event->comm.tid;
+ sample->pid = event->comm.pid;
+ }
+ print_sample_start(sample, thread, evsel);
+ perf_event__fprintf(event, stdout);
+
+ if (perf_event__process_exit(tool, event, sample, machine) < 0)
+ return -1;
+
+ return 0;
+}
+
+static int process_mmap_event(struct perf_tool *tool,
+ union perf_event *event,
+ struct perf_sample *sample,
+ struct machine *machine)
+{
+ struct thread *thread;
+ struct perf_script *script = container_of(tool, struct perf_script, tool);
+ struct perf_session *session = script->session;
+ struct perf_evsel *evsel = perf_evlist__first(session->evlist);
+
+ if (perf_event__process_mmap(tool, event, sample, machine) < 0)
+ return -1;
+
+ thread = machine__findnew_thread(machine, event->mmap.pid, event->mmap.tid);
+ if (thread == NULL) {
+ pr_debug("problem processing MMAP event, skipping it.\n");
+ return -1;
+ }
+
+ if (!evsel->attr.sample_id_all) {
+ sample->cpu = 0;
+ sample->time = 0;
+ sample->tid = event->mmap.tid;
+ sample->pid = event->mmap.pid;
+ }
+ print_sample_start(sample, thread, evsel);
+ perf_event__fprintf(event, stdout);
+
+ return 0;
+}
+
+static int process_mmap2_event(struct perf_tool *tool,
+ union perf_event *event,
+ struct perf_sample *sample,
+ struct machine *machine)
+{
+ struct thread *thread;
+ struct perf_script *script = container_of(tool, struct perf_script, tool);
+ struct perf_session *session = script->session;
+ struct perf_evsel *evsel = perf_evlist__first(session->evlist);
+
+ if (perf_event__process_mmap2(tool, event, sample, machine) < 0)
+ return -1;
+
+ thread = machine__findnew_thread(machine, event->mmap2.pid, event->mmap2.tid);
+ if (thread == NULL) {
+ pr_debug("problem processing MMAP2 event, skipping it.\n");
+ return -1;
+ }
+
+ if (!evsel->attr.sample_id_all) {
+ sample->cpu = 0;
+ sample->time = 0;
+ sample->tid = event->mmap2.tid;
+ sample->pid = event->mmap2.pid;
+ }
+ print_sample_start(sample, thread, evsel);
+ perf_event__fprintf(event, stdout);
+
+ return 0;
+}
+
static void sig_handler(int sig __maybe_unused)
{
session_done = 1;
@@ -590,6 +781,17 @@ static int __cmd_script(struct perf_script *script)
signal(SIGINT, sig_handler);
+ /* override event processing functions */
+ if (script->show_task_events) {
+ script->tool.comm = process_comm_event;
+ script->tool.fork = process_fork_event;
+ script->tool.exit = process_exit_event;
+ }
+ if (script->show_mmap_events) {
+ script->tool.mmap = process_mmap_event;
+ script->tool.mmap2 = process_mmap2_event;
+ }
+
ret = perf_session__process_events(script->session, &script->tool);
if (debug_mode)
@@ -900,9 +1102,9 @@ static struct script_desc *script_desc__new(const char *name)
static void script_desc__delete(struct script_desc *s)
{
- free(s->name);
- free(s->half_liner);
- free(s->args);
+ zfree(&s->name);
+ zfree(&s->half_liner);
+ zfree(&s->args);
free(s);
}
@@ -1107,8 +1309,7 @@ static int check_ev_match(char *dir_name, char *scriptname,
snprintf(evname, len + 1, "%s", p);
match = 0;
- list_for_each_entry(pos,
- &session->evlist->entries, node) {
+ evlist__for_each(session->evlist, pos) {
if (!strcmp(perf_evsel__name(pos), evname)) {
match = 1;
break;
@@ -1290,6 +1491,8 @@ static int have_cmd(int argc, const char **argv)
int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused)
{
bool show_full_info = false;
+ bool header = false;
+ bool header_only = false;
char *rec_script_path = NULL;
char *rep_script_path = NULL;
struct perf_session *session;
@@ -1328,6 +1531,8 @@ int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused)
OPT_STRING('i', "input", &input_name, "file", "input file name"),
OPT_BOOLEAN('d', "debug-mode", &debug_mode,
"do various checks like samples ordering and lost events"),
+ OPT_BOOLEAN(0, "header", &header, "Show data header."),
+ OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."),
OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
"file", "vmlinux pathname"),
OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
@@ -1352,6 +1557,10 @@ int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused)
"display extended information from perf.data file"),
OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path,
"Show the path of [kernel.kallsyms]"),
+ OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events,
+ "Show the fork/comm/exit events"),
+ OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events,
+ "Show the mmap events"),
OPT_END()
};
const char * const script_usage[] = {
@@ -1540,6 +1749,12 @@ int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused)
if (session == NULL)
return -ENOMEM;
+ if (header || header_only) {
+ perf_session__fprintf_info(session, stdout, show_full_info);
+ if (header_only)
+ return 0;
+ }
+
script.session = session;
if (cpu_list) {
@@ -1547,9 +1762,6 @@ int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused)
return -1;
}
- if (!script_name && !generate_script_lang)
- perf_session__fprintf_info(session, stdout, show_full_info);
-
if (!no_callchain)
symbol_conf.use_callchain = true;
else
@@ -1588,7 +1800,7 @@ int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused)
return -1;
}
- err = scripting_ops->generate_script(session->pevent,
+ err = scripting_ops->generate_script(session->tevent.pevent,
"perf-script");
goto out;
}
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