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2ba0825075
linux/tools/perf/util
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Frederic Weisbecker 2ba0825075 perf tools: Introduce bitmask'ed additional headers 
This provides a new set of bitmasked headers. A new field is
added in the perf headers that implements a bitmap storing
optional features present in the perf.data file.

The layout can be pictured like this:

(Usual perf headers)(Features bitmap)[Feature 0][Feature
n][Feature 255]

If the bit n is set, then the feature n is used in this file.
They are all set in order. This brings a backward and forward
compatibility.

The trace_info section has moved into such optional features,
this is the first and only one for now.

This is backward compatible with the .32 file version although
it doesn't support the previous separate trace.info file.

And finally it doesn't support the current interim development
version.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
LKML-Reference: <1255792354-11304-2-git-send-email-fweisbec@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-10-19 09:26:35 +02:00
..
include perf tools: Use kernel bitmap library 2009-10-19 09:26:34 +02:00
abspath.c perf: Enable more compiler warnings 2009-08-16 10:47:47 +02:00
alias.c perf_counter tools: Add more warnings and fix/annotate them 2009-07-01 12:49:48 +02:00
cache.h perf tools: Do not manually count string lengths 2009-10-13 11:55:31 +02:00
callchain.c perf: Enable more compiler warnings 2009-08-16 10:47:47 +02:00
callchain.h perf tools: Protect header files with a consistent style 2009-09-24 21:27:51 +02:00
color.c perf tools: Librarize trace_event() helper 2009-08-16 23:06:45 +02:00
color.h perf tools: Protect header files with a consistent style 2009-09-24 21:27:51 +02:00
config.c perf: Enable more compiler warnings 2009-08-16 10:47:47 +02:00
ctype.c perf_counter tools: Add and use isprint() 2009-06-18 09:46:00 +02:00
data_map.c perf tools: Unify perf.data mapping and events handling 2009-10-08 16:56:32 +02:00
data_map.h perf tools: Unify perf.data mapping and events handling 2009-10-08 16:56:32 +02:00
debug.c perf tools: Librarize trace_event() helper 2009-08-16 23:06:45 +02:00
debug.h perf tools: Protect header files with a consistent style 2009-09-24 21:27:51 +02:00
environment.c perf_counter tools: Move from Documentation/perf_counter/ to tools/perf/ 2009-06-06 20:33:43 +02:00
event.h perf tools: Remove show_mask bitmask 2009-10-04 19:37:11 +02:00
exec_cmd.c perf: Enable more compiler warnings 2009-08-16 10:47:47 +02:00
exec_cmd.h perf tools: Protect header files with a consistent style 2009-09-24 21:27:51 +02:00
generate-cmdlist.sh perf_counter tools: Move from Documentation/perf_counter/ to tools/perf/ 2009-06-06 20:33:43 +02:00
header.c perf tools: Introduce bitmask'ed additional headers 2009-10-19 09:26:35 +02:00
header.h perf tools: Introduce bitmask'ed additional headers 2009-10-19 09:26:35 +02:00
help.c perf_counter tools: Add more warnings and fix/annotate them 2009-07-01 12:49:48 +02:00
help.h perf tools: Protect header files with a consistent style 2009-09-24 21:27:51 +02:00
hist.c perf tools: Move hist_entry__add common code to hist.c 2009-10-03 16:01:59 +02:00
hist.h perf tools: Move hist_entry__add common code to hist.c 2009-10-03 16:01:59 +02:00
levenshtein.c perf_counter tools: Move from Documentation/perf_counter/ to tools/perf/ 2009-06-06 20:33:43 +02:00
levenshtein.h perf tools: Protect header files with a consistent style 2009-09-24 21:27:51 +02:00
map.c perf tools: Factorize the map helpers 2009-08-12 12:37:37 +02:00
pager.c perf_counter tools: Remove dead code 2009-06-27 06:06:39 +02:00
parse-events.c perf trace: Add filter Suppport 2009-10-15 11:35:23 +02:00
parse-events.h perf trace: Add filter Suppport 2009-10-15 11:35:23 +02:00
parse-options.c perf: Enable more compiler warnings 2009-08-16 10:47:47 +02:00
parse-options.h perf tools: Protect header files with a consistent style 2009-09-24 21:27:51 +02:00
path.c perf: Enable more compiler warnings 2009-08-16 10:47:47 +02:00
PERF-VERSION-GEN perf_counter tools: Move from Documentation/perf_counter/ to tools/perf/ 2009-06-06 20:33:43 +02:00
quote.c perf: Fix read buffer overflow 2009-08-04 11:09:56 +02:00
quote.h perf tools: Protect header files with a consistent style 2009-09-24 21:27:51 +02:00
run-command.c perf: Enable more compiler warnings 2009-08-16 10:47:47 +02:00
run-command.h perf tools: Protect header files with a consistent style 2009-09-24 21:27:51 +02:00
sigchain.c perf_counter tools: Move from Documentation/perf_counter/ to tools/perf/ 2009-06-06 20:33:43 +02:00
sigchain.h perf tools: Protect header files with a consistent style 2009-09-24 21:27:51 +02:00
sort.c perf tools: Rewrite and improve support for kernel modules 2009-10-02 10:48:42 +02:00
sort.h perf tools: Rewrite and improve support for kernel modules 2009-10-02 10:48:42 +02:00
strbuf.c perf_counter tools: Add more warnings and fix/annotate them 2009-07-01 12:49:48 +02:00
strbuf.h perf tools: Protect header files with a consistent style 2009-09-24 21:27:51 +02:00
string.c perf tools: /proc/modules names don't always match its name 2009-10-05 20:35:23 +02:00
string.h perf tools: /proc/modules names don't always match its name 2009-10-05 20:35:23 +02:00
strlist.c strlist: Introduce strlist__entry and strlist__nr_entries methods 2009-07-11 19:20:25 +02:00
strlist.h perf tools: Protect header files with a consistent style 2009-09-24 21:27:51 +02:00
svghelper.c perf timechart: Add a power-only mode 2009-10-01 09:26:40 +02:00
svghelper.h perf tools: Protect header files with a consistent style 2009-09-24 21:27:51 +02:00
symbol.c perf tools: Improve kernel/modules symbol lookup 2009-10-08 19:27:11 +02:00
symbol.h perf tools: Create maps for modules when processing kallsyms 2009-10-05 20:35:23 +02:00
thread.c perf tools: Move threads & last_match to threads.c 2009-10-13 17:12:18 +02:00
thread.h perf tools: Move threads & last_match to threads.c 2009-10-13 17:12:18 +02:00
trace-event-info.c perf tools: Merge trace.info content into perf.data 2009-10-07 08:36:10 +02:00
trace-event-parse.c perf tools: Remove all char * typecasts and use const in prototype 2009-10-15 10:43:17 +02:00
trace-event-read.c perf tools: Merge trace.info content into perf.data 2009-10-07 08:36:10 +02:00
trace-event.h perf tools: Add latency format to trace output 2009-10-15 10:42:39 +02:00
types.h perf tools: Protect header files with a consistent style 2009-09-24 21:27:51 +02:00
usage.c perf top: Fall back to cpu-clock-tick hrtimer sampling if no cycle counter available 2009-06-07 17:31:52 +02:00
util.h Merge branch 'perfcounters/tracing' into perfcounters/core 2009-08-31 10:03:27 +02:00
values.c perf: Enable more compiler warnings 2009-08-16 10:47:47 +02:00
values.h perf tools: Protect header files with a consistent style 2009-09-24 21:27:51 +02:00
wrapper.c perf_counter tools: Add more warnings and fix/annotate them 2009-07-01 12:49:48 +02:00