perf tools: Add fprintf methods for thread_map and cpu_map classes
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>
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@ -166,6 +166,17 @@ out:
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return cpus;
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}
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size_t cpu_map__fprintf(struct cpu_map *map, FILE *fp)
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{
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int i;
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size_t printed = fprintf(fp, "%d cpu%s: ",
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map->nr, map->nr > 1 ? "s" : "");
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for (i = 0; i < map->nr; ++i)
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printed += fprintf(fp, "%s%d", i ? ", " : "", map->map[i]);
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return printed + fprintf(fp, "\n");
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}
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struct cpu_map *cpu_map__dummy_new(void)
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{
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struct cpu_map *cpus = malloc(sizeof(*cpus) + sizeof(int));
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@ -1,6 +1,8 @@
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#ifndef __PERF_CPUMAP_H
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#define __PERF_CPUMAP_H
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#include <stdio.h>
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struct cpu_map {
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int nr;
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int map[];
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@ -10,4 +12,6 @@ struct cpu_map *cpu_map__new(const char *cpu_list);
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struct cpu_map *cpu_map__dummy_new(void);
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void cpu_map__delete(struct cpu_map *map);
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size_t cpu_map__fprintf(struct cpu_map *map, FILE *fp);
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#endif /* __PERF_CPUMAP_H */
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@ -62,3 +62,14 @@ void thread_map__delete(struct thread_map *threads)
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{
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free(threads);
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}
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size_t thread_map__fprintf(struct thread_map *threads, FILE *fp)
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{
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int i;
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size_t printed = fprintf(fp, "%d thread%s: ",
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threads->nr, threads->nr > 1 ? "s" : "");
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for (i = 0; i < threads->nr; ++i)
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printed += fprintf(fp, "%s%d", i ? ", " : "", threads->map[i]);
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return printed + fprintf(fp, "\n");
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}
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@ -2,6 +2,7 @@
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#define __PERF_THREAD_MAP_H
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#include <sys/types.h>
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#include <stdio.h>
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struct thread_map {
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int nr;
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@ -12,4 +13,7 @@ struct thread_map *thread_map__new_by_pid(pid_t pid);
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struct thread_map *thread_map__new_by_tid(pid_t tid);
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struct thread_map *thread_map__new(pid_t pid, pid_t tid);
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void thread_map__delete(struct thread_map *threads);
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size_t thread_map__fprintf(struct thread_map *threads, FILE *fp);
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#endif /* __PERF_THREAD_MAP_H */
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