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SUSE:SLE-15-SP5:Update
perf.16341
perf-test-session-topology-fix-data-path.patch
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File perf-test-session-topology-fix-data-path.patch of Package perf.16341
From: Tommi Rantala <tommi.t.rantala@nokia.com> Date: Thu, 23 Apr 2020 14:53:40 +0300 Subject: perf test session topology: Fix data path Git-commit: dbd660e6b2884b864d2642d930a163d3bcebe4be References: git-fixes Commit 2d4f27999b88 ("perf data: Add global path holder") missed path conversion in tests/topology.c, causing the "Session topology" testcase to "hang" (waits forever for input from stdin) when doing "ssh $VM perf test". Can be reproduced by running "cat | perf test topo", and crashed by replacing cat with true: $ true | perf test -v topo 40: Session topology : --- start --- test child forked, pid 3638 templ file: /tmp/perf-test-QPvAch incompatible file format incompatible file format (rerun with -v to learn more) free(): invalid pointer test child interrupted ---- end ---- Session topology: FAILED! Committer testing: Reproduced the above result before the patch and after it is back working: # true | perf test -v topo 41: Session topology : --- start --- test child forked, pid 19374 templ file: /tmp/perf-test-YOTEQg CPU 0, core 0, socket 0 CPU 1, core 1, socket 0 CPU 2, core 2, socket 0 CPU 3, core 3, socket 0 CPU 4, core 0, socket 0 CPU 5, core 1, socket 0 CPU 6, core 2, socket 0 CPU 7, core 3, socket 0 test child finished with 0 ---- end ---- Session topology: Ok # Fixes: 2d4f27999b88 ("perf data: Add global path holder") Signed-off-by: Tommi Rantala <tommi.t.rantala@nokia.com> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Acked-by: Jiri Olsa <jolsa@redhat.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Mamatha Inamdar <mamatha4@linux.vnet.ibm.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Ravi Bangoria <ravi.bangoria@linux.ibm.com> Link: http://lore.kernel.org/lkml/20200423115341.562782-1-tommi.t.rantala@nokia.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Acked-by: Tony Jones <tonyj@suse.de> --- tools/perf/tests/topology.c | 12 ++++-------- 1 file changed, 4 insertions(+), 8 deletions(-) diff --git a/tools/perf/tests/topology.c b/tools/perf/tests/topology.c index 4a800499d7c3..22daf2bdf5fa 100644 --- a/tools/perf/tests/topology.c +++ b/tools/perf/tests/topology.c @@ -33,10 +33,8 @@ static int session_write_header(char *path) { struct perf_session *session; struct perf_data data = { - .file = { - .path = path, - }, - .mode = PERF_DATA_MODE_WRITE, + .path = path, + .mode = PERF_DATA_MODE_WRITE, }; session = perf_session__new(&data, false, NULL); @@ -63,10 +61,8 @@ static int check_cpu_topology(char *path, struct perf_cpu_map *map) { struct perf_session *session; struct perf_data data = { - .file = { - .path = path, - }, - .mode = PERF_DATA_MODE_READ, + .path = path, + .mode = PERF_DATA_MODE_READ, }; int i;
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