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-rw-r--r--tools/perf/util/machine.c24
-rw-r--r--tools/perf/util/machine.h2
2 files changed, 25 insertions, 1 deletions
diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c
index 527517db3182..5eb9044bc223 100644
--- a/tools/perf/util/machine.c
+++ b/tools/perf/util/machine.c
@@ -3266,6 +3266,17 @@ bool machine__is_lock_function(struct machine *machine, u64 addr)
sym = machine__find_kernel_symbol_by_name(machine, "__lock_text_end", &kmap);
machine->lock.text_end = map__unmap_ip(kmap, sym->start);
+
+ sym = machine__find_kernel_symbol_by_name(machine, "__traceiter_contention_begin", &kmap);
+ if (sym) {
+ machine->traceiter.text_start = map__unmap_ip(kmap, sym->start);
+ machine->traceiter.text_end = map__unmap_ip(kmap, sym->end);
+ }
+ sym = machine__find_kernel_symbol_by_name(machine, "trace_contention_begin", &kmap);
+ if (sym) {
+ machine->trace.text_start = map__unmap_ip(kmap, sym->start);
+ machine->trace.text_end = map__unmap_ip(kmap, sym->end);
+ }
}
/* failed to get kernel symbols */
@@ -3280,5 +3291,18 @@ bool machine__is_lock_function(struct machine *machine, u64 addr)
if (machine->lock.text_start <= addr && addr < machine->lock.text_end)
return true;
+ /* traceiter functions currently don't have their own section
+ * but we consider them lock functions
+ */
+ if (machine->traceiter.text_start != 0) {
+ if (machine->traceiter.text_start <= addr && addr < machine->traceiter.text_end)
+ return true;
+ }
+
+ if (machine->trace.text_start != 0) {
+ if (machine->trace.text_start <= addr && addr < machine->trace.text_end)
+ return true;
+ }
+
return false;
}
diff --git a/tools/perf/util/machine.h b/tools/perf/util/machine.h
index e28c787616fe..4312f6db6de0 100644
--- a/tools/perf/util/machine.h
+++ b/tools/perf/util/machine.h
@@ -49,7 +49,7 @@ struct machine {
struct {
u64 text_start;
u64 text_end;
- } sched, lock;
+ } sched, lock, traceiter, trace;
pid_t *current_tid;
size_t current_tid_sz;
union { /* Tool specific area */