Commit-ID: 49af9e93adfa11d50435aa079299a765843532fc Gitweb: http://git.kernel.org/tip/49af9e93adfa11d50435aa079299a765843532fc Author: Arnaldo Carvalho de Melo <a...@redhat.com> AuthorDate: Thu, 12 Sep 2013 12:18:56 -0300 Committer: Arnaldo Carvalho de Melo <a...@redhat.com> CommitDate: Wed, 9 Oct 2013 11:11:21 -0300
perf trace: Beautify eventfd2 'flags' arg 61.168 ( 0.004 ms): 24267 eventfd2(flags: CLOEXEC|NONBLOCK) = 9 Cc: Adrian Hunter <adrian.hun...@intel.com> Cc: David Ahern <dsah...@gmail.com> Cc: Frederic Weisbecker <fweis...@gmail.com> Cc: Jiri Olsa <jo...@redhat.com> Cc: Mike Galbraith <efa...@gmx.de> Cc: Paul Mackerras <pau...@samba.org> Cc: Peter Zijlstra <pet...@infradead.org> Cc: Stephane Eranian <eran...@google.com> Link: http://lkml.kernel.org/n/tip-3hg8eajdzil077501c8f5...@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com> --- tools/perf/builtin-trace.c | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index c400fbe..8a09ba3 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -13,6 +13,7 @@ #include <libaudit.h> #include <stdlib.h> +#include <sys/eventfd.h> #include <sys/mman.h> #include <linux/futex.h> @@ -456,6 +457,32 @@ static size_t syscall_arg__scnprintf_open_flags(char *bf, size_t size, #define SCA_OPEN_FLAGS syscall_arg__scnprintf_open_flags +static size_t syscall_arg__scnprintf_eventfd_flags(char *bf, size_t size, + struct syscall_arg *arg) +{ + int printed = 0, flags = arg->val; + + if (flags == 0) + return scnprintf(bf, size, "NONE"); +#define P_FLAG(n) \ + if (flags & EFD_##n) { \ + printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \ + flags &= ~EFD_##n; \ + } + + P_FLAG(SEMAPHORE); + P_FLAG(CLOEXEC); + P_FLAG(NONBLOCK); +#undef P_FLAG + + if (flags) + printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags); + + return printed; +} + +#define SCA_EFD_FLAGS syscall_arg__scnprintf_eventfd_flags + static size_t syscall_arg__scnprintf_signum(char *bf, size_t size, struct syscall_arg *arg) { int sig = arg->val; @@ -516,6 +543,8 @@ static struct syscall_fmt { { .name = "brk", .hexret = true, .arg_scnprintf = { [0] = SCA_HEX, /* brk */ }, }, { .name = "connect", .errmsg = true, }, + { .name = "eventfd2", .errmsg = true, + .arg_scnprintf = { [1] = SCA_EFD_FLAGS, /* flags */ }, }, { .name = "fcntl", .errmsg = true, .arg_scnprintf = { [1] = SCA_STRARRAY, /* cmd */ }, .arg_parm = { [1] = &strarray__fcntl_cmds, /* cmd */ }, }, -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
