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authorArnaldo Carvalho de Melo <acme@redhat.com>2019-01-07 16:24:27 -0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2019-01-08 13:28:12 -0300
commit172bf02d564bdb6df8410f64720fa2c68e755d1a (patch)
treec0e38fe82cd949883b28159c2fc00e19a324cc4a /tools/perf/builtin-diff.c
parent64598e8b6fdaf28e37c3530f8b95a9f8ef6af131 (diff)
perf trace: Fix ')' placement in "interrupted" syscall lines
When we get the sys_enter for a syscall we check if the last one is still waiting for its matching sys_exit, if so we print this: 468.753 ( ): firefox/32382 poll(ufds: 0x7f3988d3dd00, nfds: 7, timeout_msecs: 4294967295) ... 449.575 ( 0.004 ms): Softwar~cThrea/32434 futex(uaddr: 0x7f39a18a9b70, op: WAKE|PRIVATE_FLAG, val: 1) = 0 At some point we'll get that poll sys_exit event and will print a "[continued]" line. While making the sizing of the alignment after the syscall arg list and its result configurable, so that we can mimic strace, which uses a smaller alingment by default, a bug was introduced where the closing parens appeared before the syscall name and its arg list, fix it. Fixes: 4b8a240ed5e0 ("perf trace: Add alignment spaces after the closing parens") Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Luis Cláudio Gonçalves <lclaudio@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: https://lkml.kernel.org/n/tip-oi45i54s59h1w1kmgpzrfuum@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/builtin-diff.c')
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