Commit-ID: 83e69b92b10c2a8b75e1919b7074338f8bdbacaf Gitweb: https://git.kernel.org/tip/83e69b92b10c2a8b75e1919b7074338f8bdbacaf Author: Arnaldo Carvalho de Melo <[email protected]> AuthorDate: Mon, 15 Jul 2019 17:28:25 -0300 Committer: Arnaldo Carvalho de Melo <[email protected]> CommitDate: Mon, 29 Jul 2019 18:34:41 -0300
perf trace: Order -e syscalls table The ev_qualifier is an array with the syscall ids passed via -e on the command line, sort it as we'll search it when setting up the BPF_MAP_TYPE_PROG_ARRAY. Cc: Adrian Hunter <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Luis Cláudio Gonçalves <[email protected]> Cc: Namhyung Kim <[email protected]> Link: https://lkml.kernel.org/n/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]> --- tools/perf/builtin-trace.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index bfd739a321d1..9bd5ecd6a8dd 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -1528,6 +1528,13 @@ static int trace__read_syscall_info(struct trace *trace, int id) return syscall__set_arg_fmts(sc); } +static int intcmp(const void *a, const void *b) +{ + const int *one = a, *another = b; + + return *one - *another; +} + static int trace__validate_ev_qualifier(struct trace *trace) { int err = 0; @@ -1591,6 +1598,7 @@ matches: } trace->ev_qualifier_ids.nr = nr_used; + qsort(trace->ev_qualifier_ids.entries, nr_used, sizeof(int), intcmp); out: if (printed_invalid_prefix) pr_debug("\n");
