Merge tag 'perf-core-for-mingo-5.1-20190214' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core

Pull perf/core improvements and fixes from Arnaldo Carvalho de Melo:

perf list:

  Jiri Olsa:

  - Display metric expressions for --details option

perf record:

  Alexey Budankov:

  - Implement --affinity=node|cpu option, leftover, the other patches
    in this kit were already applied.

perf trace:

  Arnaldo Carvalho de Melo:

  - Fix segfaults due to not properly handling negative file descriptor syscall args.

  - Fix segfault related to the 'waitid' 'options' prefix showing logic.

  - Filter out 'gnome-terminal*' if it is a parent of 'perf trace', to reduce the
    syscall feedback loop in system wide sessions.

BPF:

  Song Liu:

  - Silence "Couldn't synthesize bpf events" warning for EPERM.

Build system:

  Arnaldo Carvalho de Melo:

  - Fix the test-all.c feature detection fast path that was broken for
    quite a while leading to longer build times.

Event parsing:

  Jiri Olsa:

  - Fix legacy events symbol separator parsing

cs-etm:

  Mathieu Poirier:

  - Fix some error path return errors and plug some memory leaks.

  - Add proper header file for symbols

  - Remove unused structure fields.

  - Modularize auxtrace_buffer fetch, decoder and packet processing loop.

Vendor events:

  Paul Clarke:

  - Add assorted metrics for the Power8 and Power9 architectures.

perf report:

  Thomas Richter:

  - Add s390 diagnostic sampling descriptor size

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>

1 files changed, 5 insertions, 1 deletions

diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index b4e420c41831..68a01e624ad3 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -1041,6 +1041,9 @@ static const size_t trace__entry_str_size = 2048;
 
 static struct file *thread_trace__files_entry(struct thread_trace *ttrace, int fd)
 {
+	if (fd < 0)
+		return NULL;
+
 	if (fd > ttrace->files.max) {
 		struct file *nfiles = realloc(ttrace->files.table, (fd + 1) * sizeof(struct file));
 
@@ -2768,7 +2771,8 @@ static int trace__set_filter_loop_pids(struct trace *trace)
 		if (parent == NULL)
 			break;
 
-		if (!strcmp(thread__comm_str(parent), "sshd")) {
+		if (!strcmp(thread__comm_str(parent), "sshd") ||
+		    strstarts(thread__comm_str(parent), "gnome-terminal")) {
 			pids[nr++] = parent->tid;
 			break;
 		}