diff options
Diffstat (limited to 'tools/perf/builtin-trace.c')
| -rw-r--r-- | tools/perf/builtin-trace.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index 2f1162daa3c5..4e3abba03062 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -1,3 +1,21 @@ +/* + * builtin-trace.c + * + * Builtin 'trace' command: + * + * Display a continuously updated trace of any workload, CPU, specific PID, + * system wide, etc. Default format is loosely strace like, but any other + * event may be specified using --event. + * + * Copyright (C) 2012, 2013, 2014, 2015 Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com> + * + * Initially based on the 'trace' prototype by Thomas Gleixner: + * + * http://lwn.net/Articles/415728/ ("Announcing a new utility: 'trace'") + * + * Released under the GPL v2. (and only v2, not any later version) + */ + #include <traceevent/event-parse.h> #include "builtin.h" #include "util/color.h" @@ -27,6 +45,7 @@ #ifndef MADV_HWPOISON # define MADV_HWPOISON 100 + #endif #ifndef MADV_MERGEABLE |