Commit-ID: d75e6097ef1f7669deb500fbbdf53cfe524f1b53 Gitweb: http://git.kernel.org/tip/d75e6097ef1f7669deb500fbbdf53cfe524f1b53 Author: Jiri Olsa <[email protected]> AuthorDate: Fri, 14 Mar 2014 15:00:03 +0100 Committer: Arnaldo Carvalho de Melo <[email protected]> CommitDate: Fri, 14 Mar 2014 18:08:42 -0300
perf machine: Factor machine__find_thread to take tid argument Forcing the code to always search thread by pid/tid pair. The PID value will be needed in future to determine the process thread leader for map groups sharing. Signed-off-by: Jiri Olsa <[email protected]> Acked-by: Adrian Hunter <[email protected]> Cc: Corey Ashford <[email protected]> Cc: David Ahern <[email protected]> Cc: Don Zickus <[email protected]> Cc: Frederic Weisbecker <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Paul Mackerras <[email protected]> Cc: Peter Zijlstra <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]> --- tools/perf/tests/dwarf-unwind.c | 2 +- tools/perf/util/machine.c | 13 +++++++++---- tools/perf/util/machine.h | 3 ++- 3 files changed, 12 insertions(+), 6 deletions(-) diff --git a/tools/perf/tests/dwarf-unwind.c b/tools/perf/tests/dwarf-unwind.c index f16ea28..c059ee8 100644 --- a/tools/perf/tests/dwarf-unwind.c +++ b/tools/perf/tests/dwarf-unwind.c @@ -128,7 +128,7 @@ int test__dwarf_unwind(void) if (verbose > 1) machine__fprintf(machine, stderr); - thread = machine__find_thread(machine, getpid()); + thread = machine__find_thread(machine, getpid(), getpid()); if (!thread) { pr_err("Could not get thread\n"); goto out; diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c index a679953..5cecd98 100644 --- a/tools/perf/util/machine.c +++ b/tools/perf/util/machine.c @@ -327,9 +327,10 @@ struct thread *machine__findnew_thread(struct machine *machine, pid_t pid, return __machine__findnew_thread(machine, pid, tid, true); } -struct thread *machine__find_thread(struct machine *machine, pid_t tid) +struct thread *machine__find_thread(struct machine *machine, pid_t pid, + pid_t tid) { - return __machine__findnew_thread(machine, 0, tid, false); + return __machine__findnew_thread(machine, pid, tid, false); } int machine__process_comm_event(struct machine *machine, union perf_event *event, @@ -1114,7 +1115,9 @@ static void machine__remove_thread(struct machine *machine, struct thread *th) int machine__process_fork_event(struct machine *machine, union perf_event *event, struct perf_sample *sample) { - struct thread *thread = machine__find_thread(machine, event->fork.tid); + struct thread *thread = machine__find_thread(machine, + event->fork.pid, + event->fork.tid); struct thread *parent = machine__findnew_thread(machine, event->fork.ppid, event->fork.ptid); @@ -1140,7 +1143,9 @@ int machine__process_fork_event(struct machine *machine, union perf_event *event int machine__process_exit_event(struct machine *machine, union perf_event *event, struct perf_sample *sample __maybe_unused) { - struct thread *thread = machine__find_thread(machine, event->fork.tid); + struct thread *thread = machine__find_thread(machine, + event->fork.pid, + event->fork.tid); if (dump_trace) perf_event__fprintf_task(event, stdout); diff --git a/tools/perf/util/machine.h b/tools/perf/util/machine.h index 2e6c248..c8c74a1 100644 --- a/tools/perf/util/machine.h +++ b/tools/perf/util/machine.h @@ -41,7 +41,8 @@ struct map *machine__kernel_map(struct machine *machine, enum map_type type) return machine->vmlinux_maps[type]; } -struct thread *machine__find_thread(struct machine *machine, pid_t tid); +struct thread *machine__find_thread(struct machine *machine, pid_t pid, + pid_t tid); int machine__process_comm_event(struct machine *machine, union perf_event *event, struct perf_sample *sample); -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
