From bcddbfc5c8c952175e9a5f1a4186685fa0338a14 Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Tue, 1 Oct 2019 15:27:55 -0300 Subject: [PATCH] perf trace: Generalize the syscall_fmt find routines MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit To allow them to be used with other stuff, such as tracepoints. Cc: Adrian Hunter Cc: Jiri Olsa Cc: Luis Cláudio Gonçalves Cc: Namhyung Kim Link: https://lkml.kernel.org/n/tip-od3gzg77ppqgnnrxqv40fvgx@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-trace.c | 21 ++++++++++++++++----- 1 file changed, 16 insertions(+), 5 deletions(-) diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index cb85343..313dfc1 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -966,24 +966,35 @@ static int syscall_fmt__cmp(const void *name, const void *fmtp) return strcmp(name, fmt->name); } +static struct syscall_fmt *__syscall_fmt__find(struct syscall_fmt *fmts, const int nmemb, const char *name) +{ + return bsearch(name, fmts, nmemb, sizeof(struct syscall_fmt), syscall_fmt__cmp); +} + static struct syscall_fmt *syscall_fmt__find(const char *name) { const int nmemb = ARRAY_SIZE(syscall_fmts); - return bsearch(name, syscall_fmts, nmemb, sizeof(struct syscall_fmt), syscall_fmt__cmp); + return __syscall_fmt__find(syscall_fmts, nmemb, name); } -static struct syscall_fmt *syscall_fmt__find_by_alias(const char *alias) +static struct syscall_fmt *__syscall_fmt__find_by_alias(struct syscall_fmt *fmts, const int nmemb, const char *alias) { - int i, nmemb = ARRAY_SIZE(syscall_fmts); + int i; for (i = 0; i < nmemb; ++i) { - if (syscall_fmts[i].alias && strcmp(syscall_fmts[i].alias, alias) == 0) - return &syscall_fmts[i]; + if (fmts[i].alias && strcmp(fmts[i].alias, alias) == 0) + return &fmts[i]; } return NULL; } +static struct syscall_fmt *syscall_fmt__find_by_alias(const char *alias) +{ + const int nmemb = ARRAY_SIZE(syscall_fmts); + return __syscall_fmt__find_by_alias(syscall_fmts, nmemb, alias); +} + /* * is_exit: is this "exit" or "exit_group"? * is_open: is this "open" or "openat"? To associate the fd returned in sys_exit with the pathname in sys_enter. -- 2.7.4