99d725fc65
Record pid on struct thread. The member is named 'pid_' to avoid confusion with the 'tid' member which was previously named 'pid'. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Acked-by: David Ahern <dsahern@gmail.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> 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/r/1377522030-27870-3-git-send-email-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
92 lines
1.7 KiB
C
92 lines
1.7 KiB
C
#include "../perf.h"
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include "session.h"
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#include "thread.h"
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#include "util.h"
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#include "debug.h"
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struct thread *thread__new(pid_t pid, pid_t tid)
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{
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struct thread *self = zalloc(sizeof(*self));
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if (self != NULL) {
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map_groups__init(&self->mg);
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self->pid_ = pid;
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self->tid = tid;
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self->ppid = -1;
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self->comm = malloc(32);
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if (self->comm)
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snprintf(self->comm, 32, ":%d", self->tid);
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}
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return self;
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}
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void thread__delete(struct thread *self)
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{
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map_groups__exit(&self->mg);
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free(self->comm);
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free(self);
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}
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int thread__set_comm(struct thread *self, const char *comm)
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{
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int err;
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if (self->comm)
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free(self->comm);
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self->comm = strdup(comm);
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err = self->comm == NULL ? -ENOMEM : 0;
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if (!err) {
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self->comm_set = true;
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}
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return err;
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}
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int thread__comm_len(struct thread *self)
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{
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if (!self->comm_len) {
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if (!self->comm)
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return 0;
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self->comm_len = strlen(self->comm);
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}
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return self->comm_len;
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}
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size_t thread__fprintf(struct thread *thread, FILE *fp)
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{
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return fprintf(fp, "Thread %d %s\n", thread->tid, thread->comm) +
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map_groups__fprintf(&thread->mg, verbose, fp);
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}
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void thread__insert_map(struct thread *self, struct map *map)
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{
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map_groups__fixup_overlappings(&self->mg, map, verbose, stderr);
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map_groups__insert(&self->mg, map);
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}
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int thread__fork(struct thread *self, struct thread *parent)
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{
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int i;
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if (parent->comm_set) {
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if (self->comm)
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free(self->comm);
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self->comm = strdup(parent->comm);
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if (!self->comm)
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return -ENOMEM;
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self->comm_set = true;
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}
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for (i = 0; i < MAP__NR_TYPES; ++i)
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if (map_groups__clone(&self->mg, &parent->mg, i) < 0)
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return -ENOMEM;
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self->ppid = parent->tid;
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return 0;
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}
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