diff options
| author | Adrian Hunter <adrian.hunter@intel.com> | 2013-08-26 15:00:19 +0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2013-08-27 16:05:53 +0200 |
| commit | 99d725fc65563a85d4290342c81b00a673c6be66 (patch) | |
| tree | fde3a103b824d4c60fb8102063495aa176b11e8c /tools | |
| parent | perf trace: Add beautifier for madvise behaviour/advice parm (diff) | |
| download | linux-99d725fc65563a85d4290342c81b00a673c6be66.tar.xz linux-99d725fc65563a85d4290342c81b00a673c6be66.zip | |
perf tools: Add pid to struct thread
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>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/perf/util/machine.c | 16 | ||||
| -rw-r--r-- | tools/perf/util/thread.c | 3 | ||||
| -rw-r--r-- | tools/perf/util/thread.h | 3 |
3 files changed, 15 insertions, 7 deletions
diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c index 574feb7003ab..59486c180626 100644 --- a/tools/perf/util/machine.c +++ b/tools/perf/util/machine.c @@ -253,7 +253,8 @@ void machines__set_id_hdr_size(struct machines *machines, u16 id_hdr_size) return; } -static struct thread *__machine__findnew_thread(struct machine *machine, pid_t tid, +static struct thread *__machine__findnew_thread(struct machine *machine, + pid_t pid, pid_t tid, bool create) { struct rb_node **p = &machine->threads.rb_node; @@ -265,8 +266,11 @@ static struct thread *__machine__findnew_thread(struct machine *machine, pid_t t * so most of the time we dont have to look up * the full rbtree: */ - if (machine->last_match && machine->last_match->tid == tid) + if (machine->last_match && machine->last_match->tid == tid) { + if (pid && pid != machine->last_match->pid_) + machine->last_match->pid_ = pid; return machine->last_match; + } while (*p != NULL) { parent = *p; @@ -274,6 +278,8 @@ static struct thread *__machine__findnew_thread(struct machine *machine, pid_t t if (th->tid == tid) { machine->last_match = th; + if (pid && pid != th->pid_) + th->pid_ = pid; return th; } @@ -286,7 +292,7 @@ static struct thread *__machine__findnew_thread(struct machine *machine, pid_t t if (!create) return NULL; - th = thread__new(tid); + th = thread__new(pid, tid); if (th != NULL) { rb_link_node(&th->rb_node, parent, p); rb_insert_color(&th->rb_node, &machine->threads); @@ -298,12 +304,12 @@ static struct thread *__machine__findnew_thread(struct machine *machine, pid_t t struct thread *machine__findnew_thread(struct machine *machine, pid_t tid) { - return __machine__findnew_thread(machine, tid, true); + return __machine__findnew_thread(machine, 0, tid, true); } struct thread *machine__find_thread(struct machine *machine, pid_t tid) { - return __machine__findnew_thread(machine, tid, false); + return __machine__findnew_thread(machine, 0, tid, false); } int machine__process_comm_event(struct machine *machine, union perf_event *event) diff --git a/tools/perf/util/thread.c b/tools/perf/util/thread.c index 6feeb88eb5b0..e3d4a550a703 100644 --- a/tools/perf/util/thread.c +++ b/tools/perf/util/thread.c @@ -7,12 +7,13 @@ #include "util.h" #include "debug.h" -struct thread *thread__new(pid_t tid) +struct thread *thread__new(pid_t pid, pid_t tid) { struct thread *self = zalloc(sizeof(*self)); if (self != NULL) { map_groups__init(&self->mg); + self->pid_ = pid; self->tid = tid; self->ppid = -1; self->comm = malloc(32); diff --git a/tools/perf/util/thread.h b/tools/perf/util/thread.h index 32d060164b52..4ebbb40d46d4 100644 --- a/tools/perf/util/thread.h +++ b/tools/perf/util/thread.h @@ -12,6 +12,7 @@ struct thread { struct list_head node; }; struct map_groups mg; + pid_t pid_; /* Not all tools update this */ pid_t tid; pid_t ppid; char shortname[3]; @@ -25,7 +26,7 @@ struct thread { struct machine; -struct thread *thread__new(pid_t tid); +struct thread *thread__new(pid_t pid, pid_t tid); void thread__delete(struct thread *self); static inline void thread__exited(struct thread *thread) { |