Eric Lee / smarc-ti-linux-kernel

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Commit d75e6097ef1f7669deb500fbbdf53cfe524f1b53

Authored by Jiri Olsa
Committed by Arnaldo Carvalho de Melo
1 parent 363b785f38
Exists in master and in 13 other branches dlt-processor-sdk-linux-03.00.00.04, processor-sdk-linux-02.00.01, smarc-ti-linux-3.15.y, smarc-ti-lsk-linux-4.1.y, smarct3x-processor-sdk-04.01.00.06, smarct3x-processor-sdk-linux-02.00.01, smarct3x-processor-sdk-linux-03.00.00.04, smarct4x-800-processor-sdk-linux-02.00.01, smarct4x-processor-sdk-04.01.00.06, smarct4x-processor-sdk-linux-02.00.01, smarct4x-processor-sdk-linux-03.00.00.04, ti-linux-3.15.y, ti-lsk-linux-4.1.y

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 <jolsa@redhat.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Don Zickus <dzickus@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1394805606-25883-3-git-send-email-jolsa@redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

Showing 3 changed files with 12 additions and 6 deletions Side-by-side Diff

tools/perf/tests/dwarf-unwind.c
Diff comments   View file @ d75e609
... ... @@ -128,7 +128,7 @@
128 128 if (verbose > 1)
129 129 machine__fprintf(machine, stderr);
130 130  
131   - thread = machine__find_thread(machine, getpid());
  131 + thread = machine__find_thread(machine, getpid(), getpid());
132 132 if (!thread) {
133 133 pr_err("Could not get thread\n");
134 134 goto out;
tools/perf/util/machine.c
Diff comments   View file @ d75e609
... ... @@ -327,9 +327,10 @@
327 327 return __machine__findnew_thread(machine, pid, tid, true);
328 328 }
329 329  
330   -struct thread *machine__find_thread(struct machine *machine, pid_t tid)
  330 +struct thread *machine__find_thread(struct machine *machine, pid_t pid,
  331 + pid_t tid)
331 332 {
332   - return __machine__findnew_thread(machine, 0, tid, false);
  333 + return __machine__findnew_thread(machine, pid, tid, false);
333 334 }
334 335  
335 336 int machine__process_comm_event(struct machine *machine, union perf_event *event,
... ... @@ -1114,7 +1115,9 @@
1114 1115 int machine__process_fork_event(struct machine *machine, union perf_event *event,
1115 1116 struct perf_sample *sample)
1116 1117 {
1117   - struct thread *thread = machine__find_thread(machine, event->fork.tid);
  1118 + struct thread *thread = machine__find_thread(machine,
  1119 + event->fork.pid,
  1120 + event->fork.tid);
1118 1121 struct thread *parent = machine__findnew_thread(machine,
1119 1122 event->fork.ppid,
1120 1123 event->fork.ptid);
... ... @@ -1140,7 +1143,9 @@
1140 1143 int machine__process_exit_event(struct machine *machine, union perf_event *event,
1141 1144 struct perf_sample *sample __maybe_unused)
1142 1145 {
1143   - struct thread *thread = machine__find_thread(machine, event->fork.tid);
  1146 + struct thread *thread = machine__find_thread(machine,
  1147 + event->fork.pid,
  1148 + event->fork.tid);
1144 1149  
1145 1150 if (dump_trace)
1146 1151 perf_event__fprintf_task(event, stdout);
tools/perf/util/machine.h
Diff comments   View file @ d75e609
... ... @@ -41,7 +41,8 @@
41 41 return machine->vmlinux_maps[type];
42 42 }
43 43  
44   -struct thread *machine__find_thread(struct machine *machine, pid_t tid);
  44 +struct thread *machine__find_thread(struct machine *machine, pid_t pid,
  45 + pid_t tid);
45 46  
46 47 int machine__process_comm_event(struct machine *machine, union perf_event *event,
47 48 struct perf_sample *sample);