diff options
Diffstat (limited to 'tools/perf/util/jitdump.c')
| -rw-r--r-- | tools/perf/util/jitdump.c | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/tools/perf/util/jitdump.c b/tools/perf/util/jitdump.c index 32bb05e03fb2..0804308ef285 100644 --- a/tools/perf/util/jitdump.c +++ b/tools/perf/util/jitdump.c @@ -26,6 +26,7 @@ #include "jit.h" #include "jitdump.h" #include "genelf.h" +#include "thread.h" #include <linux/ctype.h> #include <linux/zalloc.h> @@ -749,6 +750,28 @@ jit_detect(char *mmap_name, pid_t pid) return 0; } +static void jit_add_pid(struct machine *machine, pid_t pid) +{ + struct thread *thread = machine__findnew_thread(machine, pid, pid); + + if (!thread) { + pr_err("%s: thread %d not found or created\n", __func__, pid); + return; + } + + thread->priv = (void *)1; +} + +static bool jit_has_pid(struct machine *machine, pid_t pid) +{ + struct thread *thread = machine__find_thread(machine, pid, pid); + + if (!thread) + return 0; + + return (bool)thread->priv; +} + int jit_process(struct perf_session *session, struct perf_data *output, @@ -764,8 +787,13 @@ jit_process(struct perf_session *session, /* * first, detect marker mmap (i.e., the jitdump mmap) */ - if (jit_detect(filename, pid)) + if (jit_detect(filename, pid)) { + // Strip //anon* mmaps if we processed a jitdump for this pid + if (jit_has_pid(machine, pid) && (strncmp(filename, "//anon", 6) == 0)) + return 1; + return 0; + } memset(&jd, 0, sizeof(jd)); @@ -784,6 +812,7 @@ jit_process(struct perf_session *session, ret = jit_inject(&jd, filename); if (!ret) { + jit_add_pid(machine, pid); *nbytes = jd.bytes_written; ret = 1; } |