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perf tools: Add fprintf methods for thread_map and cpu_map classes

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For helping with debugging.

Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
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-m06n4rp7pwr6dlzwoq89cl69@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2012-01-19 14:07:23 -02:00
parent 172d1b0b73
commit 9ae7d3351a
4 changed files with 30 additions and 0 deletions
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11
tools/perf/util/cpumap.c
View File

@ -166,6 +166,17 @@ out:
return cpus;
}
size_t cpu_map__fprintf(struct cpu_map *map, FILE *fp)
{
int i;
size_t printed = fprintf(fp, "%d cpu%s: ",
map->nr, map->nr > 1 ? "s" : "");
for (i = 0; i < map->nr; ++i)
printed += fprintf(fp, "%s%d", i ? ", " : "", map->map[i]);
return printed + fprintf(fp, "\n");
}
struct cpu_map *cpu_map__dummy_new(void)
{
struct cpu_map *cpus = malloc(sizeof(*cpus) + sizeof(int));

4
tools/perf/util/cpumap.h
View File

@ -1,6 +1,8 @@
#ifndef __PERF_CPUMAP_H
#define __PERF_CPUMAP_H
#include <stdio.h>
struct cpu_map {
int nr;
int map[];
@ -10,4 +12,6 @@ struct cpu_map *cpu_map__new(const char *cpu_list);
struct cpu_map *cpu_map__dummy_new(void);
void cpu_map__delete(struct cpu_map *map);
size_t cpu_map__fprintf(struct cpu_map *map, FILE *fp);
#endif /* __PERF_CPUMAP_H */

11
tools/perf/util/thread_map.c
View File

@ -62,3 +62,14 @@ void thread_map__delete(struct thread_map *threads)
{
free(threads);
}
size_t thread_map__fprintf(struct thread_map *threads, FILE *fp)
{
int i;
size_t printed = fprintf(fp, "%d thread%s: ",
threads->nr, threads->nr > 1 ? "s" : "");
for (i = 0; i < threads->nr; ++i)
printed += fprintf(fp, "%s%d", i ? ", " : "", threads->map[i]);
return printed + fprintf(fp, "\n");
}

4
tools/perf/util/thread_map.h
View File

@ -2,6 +2,7 @@
#define __PERF_THREAD_MAP_H
#include <sys/types.h>
#include <stdio.h>
struct thread_map {
int nr;
@ -12,4 +13,7 @@ struct thread_map *thread_map__new_by_pid(pid_t pid);
struct thread_map *thread_map__new_by_tid(pid_t tid);
struct thread_map *thread_map__new(pid_t pid, pid_t tid);
void thread_map__delete(struct thread_map *threads);
size_t thread_map__fprintf(struct thread_map *threads, FILE *fp);
#endif /* __PERF_THREAD_MAP_H */