diff options
Diffstat (limited to 'src/runtime/testdata')
| -rw-r--r-- | src/runtime/testdata/testprogcgo/threadpprof.go | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/src/runtime/testdata/testprogcgo/threadpprof.go b/src/runtime/testdata/testprogcgo/threadpprof.go index ec5e750da9..70717e0099 100644 --- a/src/runtime/testdata/testprogcgo/threadpprof.go +++ b/src/runtime/testdata/testprogcgo/threadpprof.go @@ -17,6 +17,8 @@ package main int threadSalt1; int threadSalt2; +static pthread_t tid; + void cpuHogThread() { int foo = threadSalt1; int i; @@ -42,12 +44,16 @@ struct cgoTracebackArg { }; // pprofCgoThreadTraceback is passed to runtime.SetCgoTraceback. -// For testing purposes it pretends that all CPU hits in C code are in cpuHog. +// For testing purposes it pretends that all CPU hits on the cpuHog +// C thread are in cpuHog. void pprofCgoThreadTraceback(void* parg) { struct cgoTracebackArg* arg = (struct cgoTracebackArg*)(parg); - arg->buf[0] = (uintptr_t)(cpuHogThread) + 0x10; - arg->buf[1] = (uintptr_t)(cpuHogThread2) + 0x4; - arg->buf[2] = 0; + if (pthread_self() == tid) { + arg->buf[0] = (uintptr_t)(cpuHogThread) + 0x10; + arg->buf[1] = (uintptr_t)(cpuHogThread2) + 0x4; + arg->buf[2] = 0; + } else + arg->buf[0] = 0; } static void* cpuHogDriver(void* arg __attribute__ ((unused))) { @@ -58,7 +64,6 @@ static void* cpuHogDriver(void* arg __attribute__ ((unused))) { } void runCPUHogThread(void) { - pthread_t tid; pthread_create(&tid, 0, cpuHogDriver, 0); } */ |