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yaml
---
r: 305518
b: refs/heads/master
c: 26252ea
h: refs/heads/master
v: v3
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Arnaldo Carvalho de Melo committed May 22, 2012
1 parent 55fd22f commit bf93325
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Showing 3 changed files with 101 additions and 12 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 447a6013e91738c0d4118a7d0c56f235d8623695
refs/heads/master: 26252ea675663d1bc6747125fcaa2b7cc4ed8a03
8 changes: 8 additions & 0 deletions trunk/tools/perf/Documentation/perf-evlist.txt
Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,14 @@ OPTIONS
--input=::
Input file name. (default: perf.data unless stdin is a fifo)

-F::
--freq=::
Show just the sample frequency used for each event.

-v::
--verbose=::
Show all fields.

SEE ALSO
--------
linkperf:perf-record[1], linkperf:perf-list[1],
Expand Down
103 changes: 92 additions & 11 deletions trunk/tools/perf/builtin-evlist.c
Original file line number Diff line number Diff line change
Expand Up @@ -15,9 +15,40 @@
#include "util/parse-options.h"
#include "util/session.h"

static const char *input_name;
struct perf_attr_details {
bool freq;
bool verbose;
};

static int comma_printf(bool *first, const char *fmt, ...)
{
va_list args;
int ret = 0;

if (!*first) {
ret += printf(",");
} else {
ret += printf(":");
*first = false;
}

va_start(args, fmt);
ret += vprintf(fmt, args);
va_end(args);
return ret;
}

static int __if_print(bool *first, const char *field, u64 value)
{
if (value == 0)
return 0;

return comma_printf(first, " %s: %" PRIu64, field, value);
}

#define if_print(field) __if_print(&first, #field, pos->attr.field)

static int __cmd_evlist(void)
static int __cmd_evlist(const char *input_name, struct perf_attr_details *details)
{
struct perf_session *session;
struct perf_evsel *pos;
Expand All @@ -26,8 +57,52 @@ static int __cmd_evlist(void)
if (session == NULL)
return -ENOMEM;

list_for_each_entry(pos, &session->evlist->entries, node)
printf("%s\n", event_name(pos));
list_for_each_entry(pos, &session->evlist->entries, node) {
bool first = true;

printf("%s", event_name(pos));

if (details->verbose || details->freq) {
comma_printf(&first, " sample_freq=%" PRIu64,
(u64)pos->attr.sample_freq);
}

if (details->verbose) {
if_print(type);
if_print(config);
if_print(config1);
if_print(config2);
if_print(size);
if_print(sample_type);
if_print(read_format);
if_print(disabled);
if_print(inherit);
if_print(pinned);
if_print(exclusive);
if_print(exclude_user);
if_print(exclude_kernel);
if_print(exclude_hv);
if_print(exclude_idle);
if_print(mmap);
if_print(comm);
if_print(freq);
if_print(inherit_stat);
if_print(enable_on_exec);
if_print(task);
if_print(watermark);
if_print(precise_ip);
if_print(mmap_data);
if_print(sample_id_all);
if_print(exclude_host);
if_print(exclude_guest);
if_print(__reserved_1);
if_print(wakeup_events);
if_print(bp_type);
if_print(branch_sample_type);
}

putchar('\n');
}

perf_session__delete(session);
return 0;
Expand All @@ -38,17 +113,23 @@ static const char * const evlist_usage[] = {
NULL
};

static const struct option options[] = {
OPT_STRING('i', "input", &input_name, "file",
"input file name"),
OPT_END()
};

int cmd_evlist(int argc, const char **argv, const char *prefix __used)
{
struct perf_attr_details details = { .verbose = false, };
const char *input_name;
const struct option options[] = {
OPT_STRING('i', "input", &input_name, "file",
"Input file name"),
OPT_BOOLEAN('F', "freq", &details.freq,
"Show the sample frequency"),
OPT_BOOLEAN('v', "verbose", &details.verbose,
"Show all event attr details"),
OPT_END()
};

argc = parse_options(argc, argv, options, evlist_usage, 0);
if (argc)
usage_with_options(evlist_usage, options);

return __cmd_evlist();
return __cmd_evlist(input_name, &details);
}

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