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perf evsel: Adopt fprintf routine from 'perf evlist' 

So that we can print all the details when debugging other tools,
when we have just evlists and evsels, not a perf.data file.

Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-mktq5fy2h5z7jyeqvvf5mbc8@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2012-12-10 18:17:08 -03:00
parent f77a951826
commit 0698aeddcf
3 changed files with 87 additions and 79 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

81
tools/perf/builtin-evlist.c
View File

@ -15,39 +15,6 @@
#include "util/parse-options.h"
#include "util/session.h"
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(const char *file_name, struct perf_attr_details *details)
{
struct perf_session *session;
@ -57,52 +24,8 @@ static int __cmd_evlist(const char *file_name, struct perf_attr_details *details
if (session == NULL)
return -ENOMEM;
list_for_each_entry(pos, &session->evlist->entries, node) {
bool first = true;
printf("%s", perf_evsel__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');
}
list_for_each_entry(pos, &session->evlist->entries, node)
perf_evsel__fprintf(pos, details, stdout);
perf_session__delete(session);
return 0;

77
tools/perf/util/evsel.c
View File

@ -1228,3 +1228,80 @@ u64 perf_evsel__intval(struct perf_evsel *evsel, struct perf_sample *sample,
return 0;
}
static int comma_fprintf(FILE *fp, bool *first, const char *fmt, ...)
{
va_list args;
int ret = 0;
if (!*first) {
ret += fprintf(fp, ",");
} else {
ret += fprintf(fp, ":");
*first = false;
}
va_start(args, fmt);
ret += vfprintf(fp, fmt, args);
va_end(args);
return ret;
}
static int __if_fprintf(FILE *fp, bool *first, const char *field, u64 value)
{
if (value == 0)
return 0;
return comma_fprintf(fp, first, " %s: %" PRIu64, field, value);
}
#define if_print(field) printed += __if_fprintf(fp, &first, #field, evsel->attr.field)
int perf_evsel__fprintf(struct perf_evsel *evsel,
struct perf_attr_details *details, FILE *fp)
{
bool first = true;
int printed = fprintf(fp, "%s", perf_evsel__name(evsel));
if (details->verbose || details->freq) {
printed += comma_fprintf(fp, &first, " sample_freq=%" PRIu64,
(u64)evsel->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);
}
fputc('\n', fp);
return ++printed;
}

8
tools/perf/util/evsel.h
View File

@ -243,4 +243,12 @@ static inline bool perf_evsel__is_group_leader(const struct perf_evsel *evsel)
{
return evsel->leader == evsel;
}
struct perf_attr_details {
bool freq;
bool verbose;
};
int perf_evsel__fprintf(struct perf_evsel *evsel,
struct perf_attr_details *details, FILE *fp);
#endif /* __PERF_EVSEL_H */