From: Arnaldo Carvalho de Melo <a...@redhat.com> event_format->flags has a FIELD_IS_POINTER, but it is not set for the sys_exit 'ret' field in syscalls like mmap, so we need a way to ask for hex printing for pointer returns and keep things like 'read' returns printing in decimal.
Cc: Adrian Hunter <adrian.hun...@intel.com> Cc: David Ahern <dsah...@gmail.com> Cc: Frederic Weisbecker <fweis...@gmail.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-lfuveegw4od1t08n7bsmo...@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com> --- tools/perf/builtin-trace.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index 9e23660..b2038fd 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -22,13 +22,18 @@ static struct syscall_fmt { const char *alias; bool errmsg; bool timeout; + bool hexret; } syscall_fmts[] = { { .name = "access", .errmsg = true, }, { .name = "arch_prctl", .errmsg = true, .alias = "prctl", }, + { .name = "brk", .hexret = true, }, + { .name = "mmap", .hexret = true, }, { .name = "connect", .errmsg = true, }, { .name = "fstat", .errmsg = true, .alias = "newfstat", }, { .name = "fstatat", .errmsg = true, .alias = "newfstatat", }, { .name = "futex", .errmsg = true, }, + { .name = "mmap", .hexret = true, }, + { .name = "mremap", .hexret = true, }, { .name = "open", .errmsg = true, }, { .name = "poll", .errmsg = true, .timeout = true, }, { .name = "ppoll", .errmsg = true, .timeout = true, }, @@ -475,6 +480,8 @@ signed_print: fprintf(trace->output, ") = -1 %s %s", e, emsg); } else if (ret == 0 && sc->fmt->timeout) fprintf(trace->output, ") = 0 Timeout"); + else if (sc->fmt->hexret) + fprintf(trace->output, ") = %#x", ret); else goto signed_print; -- 1.8.1.4 -- 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/
