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Sonny Rao 259032bfe3 perf: Robustify proc and debugfs file recording 
While attempting to create a timechart of boot up I found perf didn't
tolerate modules being loaded/unloaded.  This patch fixes this by
reading the file once and then writing the size read at the correct
point in the file.  It also simplifies the code somewhat.

Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Signed-off-by: Sonny Rao <sonnyrao@chromium.org>
Signed-off-by: Michael Neuling <mikey@neuling.org>
Link: http://lkml.kernel.org/r/10011.1310614483@neuling.org
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-07-14 15:53:01 -04:00
..
include
perf tools: Fix build on older systems
2011-05-26 11:16:29 -03:00
scripting-engines
perf session: Pass evsel in event_ops->sample()
2011-03-23 19:28:58 -03:00
ui
perf: Only include annotate.h once in tools/perf/util/ui/browsers/annotate.c
2011-05-10 10:20:07 +02:00
abspath.c
perf tools: Remove some unused functions
2010-05-18 23:03:35 -03:00
alias.c
perf_counter tools: Add more warnings and fix/annotate them
2009-07-01 12:49:48 +02:00
annotate.c
perf symbols: Rename dso->origin to dso->symtab_type
2011-03-11 13:28:45 -03:00
annotate.h
perf top: Live TUI Annotation
2011-02-22 12:02:07 -03:00
bitmap.c
perf tools: Don't use code surrounded by __KERNEL__
2010-05-02 12:00:44 -03:00
build-id.c
perf session: Pass evsel in event_ops->sample()
2011-03-23 19:28:58 -03:00
build-id.h
perf annotate: Use build-ids to find the right DSO
2010-05-20 12:15:33 -03:00
cache.h
perf tools: Don't fallback to setup_pager unconditionally
2011-01-31 18:08:39 -02:00
callchain.c
perf tools: Kill event_t typedef, use 'union perf_event' instead
2011-01-29 16:25:37 -02:00
callchain.h
perf tools: Add inverted call graph report support.
2011-06-30 00:24:30 +02:00
cgroup.c
perf: Fix a build error with some GCC versions
2011-04-08 17:40:21 +02:00
cgroup.h
perf tool: Add cgroup support
2011-02-16 13:30:48 +01:00
color.c
perf hist: Replace ->print() routines by ->snprintf() equivalents
2010-04-02 16:28:15 -03:00
color.h
perf hist: Replace ->print() routines by ->snprintf() equivalents
2010-04-02 16:28:15 -03:00
config.c
perf buildid: add perfconfig option to specify buildid cache dir
2010-06-05 09:34:04 -03:00
cpumap.c
perf tools: Add missing cpu_map__delete()
2011-01-22 19:56:30 -02:00
cpumap.h
perf tools: Add missing cpu_map__delete()
2011-01-22 19:56:30 -02:00
ctype.c
perf tools: Move graph_line and graph_dotted_line from top
2009-11-23 21:55:20 +01:00
debug.c
perf tools: Fixup exit path when not able to open events
2011-03-29 13:40:27 -03:00
debug.h
perf tools: Fixup exit path when not able to open events
2011-03-29 13:40:27 -03:00
debugfs.c
perf trace: Clean up find_debugfs()
2009-12-28 10:36:36 +01:00
debugfs.h
perf tools: Mount debugfs automatically
2009-12-28 10:36:36 +01:00
environment.c
perf_counter tools: Move from Documentation/perf_counter/ to tools/perf/
2009-06-06 20:33:43 +02:00
event.c
perf evlist: Don't die if sample_{id_all|type} is invalid
2011-06-03 10:07:52 -03:00
event.h
perf evlist: Don't die if sample_{id_all|type} is invalid
2011-06-03 10:07:52 -03:00
evlist.c
perf evlist: Don't die if sample_{id_all|type} is invalid
2011-06-03 10:07:52 -03:00
evlist.h
perf evlist: Don't die if sample_{id_all|type} is invalid
2011-06-03 10:07:52 -03:00
evsel.c
perf evlist: Don't die if sample_{id_all|type} is invalid
2011-06-03 10:07:52 -03:00
evsel.h
perf evlist: Don't die if sample_{id_all|type} is invalid
2011-06-03 10:07:52 -03:00
exec_cmd.c
perf tools: Makefile: Remove various and sundry cruft
2011-02-18 07:43:06 -02:00
exec_cmd.h
perf tools: Remove some unused functions
2010-05-18 23:03:35 -03:00
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 symbols: Handle /proc/sys/kernel/kptr_restrict
2011-05-26 11:15:25 -03:00
header.h
perf tools: Move evlist sample helpers to evlist area
2011-05-22 03:12:29 +02:00
help.c
perf tools: Remove some unused functions
2010-05-18 23:03:35 -03:00
help.h
perf tools: Protect header files with a consistent style
2009-09-24 21:27:51 +02:00
hist.c
perf tools: Don't display ignored entries on stdio ui
2011-06-30 00:26:33 +02:00
hist.h
perf session: Pass evsel in event_ops->sample()
2011-03-23 19:28:58 -03:00
hweight.c
perf tools: Don't use code surrounded by __KERNEL__
2010-05-02 12:00:44 -03:00
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: Fix 64 bit integer format strings
2011-01-22 23:41:57 -02:00
map.h
perf probe: Add basic module support
2010-10-21 16:11:44 -02:00
pager.c
perf_counter tools: Remove dead code
2009-06-27 06:06:39 +02:00
parse-events.c
perf: Fix multi-event parsing bug
2011-05-17 20:45:36 +02:00
parse-events.h
perf script: Add support for H/W and S/W events
2011-03-14 17:07:20 -03:00
parse-options.c
perf options: Type check all the remaining OPT_ variants
2010-05-17 16:22:41 -03:00
parse-options.h
perf options: add OPT_CALLBACK_DEFAULT_NOOPT
2010-12-06 15:33:29 -02:00
path.c
perf tools: add test for strlcpy()
2010-08-21 11:22:47 -03:00
PERF-VERSION-GEN
perf: clear out make flags when calling kernel make kernelver
2011-06-15 22:12:55 +02:00
probe-event.c
perf probe: Fix multiple --vars options behavior
2011-04-05 15:36:04 -03:00
probe-event.h
perf probe: Add filters support for available functions
2011-01-28 09:20:25 -02:00
probe-finder.c
perf probe: Fix the missed parameter initialization
2011-05-10 17:06:23 +02:00
probe-finder.h
perf probe: Add fastpath to do lookup by function name
2011-03-29 13:40:27 -03:00
pstack.c
perf newt: Make <- zoom out filters
2010-05-14 20:05:21 -03:00
pstack.h
perf ui: Move hists browser to util/ui/browsers/
2010-08-10 16:11:08 -03:00
python.c
perf python: Fix argument name list of read_on_cpu()
2011-06-03 10:09:22 -03:00
quote.c
perf tools: Remove some unused functions
2010-05-18 23:03:35 -03:00
quote.h
perf tools: Remove some unused functions
2010-05-18 23:03:35 -03:00
run-command.c
perf tools: Remove some unused functions
2010-05-18 23:03:35 -03:00
run-command.h
perf tools: Remove some unused functions
2010-05-18 23:03:35 -03:00
session.c
perf report/annotate/script: Add option to specify a CPU range
2011-07-05 10:44:44 +02:00
session.h
perf report/annotate/script: Add option to specify a CPU range
2011-07-05 10:44:44 +02:00
setup.py
perf tools: Fix NO_NEWT=1 python build error
2011-03-29 16:46:57 -03:00
sigchain.c
perf tools: Remove some unused functions
2010-05-18 23:03:35 -03:00
sigchain.h
perf tools: Remove some unused functions
2010-05-18 23:03:35 -03:00
sort.c
perf tools: Allow sort dimensions to be registered more than once
2011-06-30 00:26:41 +02:00
sort.h
perf tools: Remove sort print helpers declarations
2011-06-30 00:26:19 +02:00
strbuf.c
perf tools: Remove some unused functions
2010-05-18 23:03:35 -03:00
strbuf.h
perf tools: Remove some unused functions
2010-05-18 23:03:35 -03:00
strfilter.c
perf: Fix missing strndup declaration
2011-03-04 01:17:18 +01:00
strfilter.h
perf tools: Add strfilter for general purpose string filter
2011-01-28 09:19:38 -02:00
string.c
Fix common misspellings
2011-03-31 11:26:23 -03:00
strlist.c
perf probe: Fix --del to update current event list
2009-12-15 20:22:01 +01:00
strlist.h
perf tools: Add for_each macros for strlist
2009-12-15 20:22:02 +01:00
svghelper.c
perf timechart: Fix black idle boxes in the title
2011-02-28 08:56:14 +01:00
svghelper.h
perf tools: Protect header files with a consistent style
2009-09-24 21:27:51 +02:00
symbol.c
perf symbols: Handle /proc/sys/kernel/kptr_restrict
2011-05-26 11:15:25 -03:00
symbol.h
perf symbols: Handle /proc/sys/kernel/kptr_restrict
2011-05-26 11:15:25 -03:00
thread_map.c
perf threads: Move thread_map to separate file
2011-01-24 10:59:00 -02:00
thread_map.h
perf threads: Move thread_map to separate file
2011-01-24 10:59:00 -02:00
thread.c
perf threads: Move thread_map to separate file
2011-01-24 10:59:00 -02:00
thread.h
perf threads: Move thread_map to separate file
2011-01-24 10:59:00 -02:00
top.c
perf top: Remove redundant syme->origin field
2011-03-11 13:28:45 -03:00
top.h
perf symbol: Move sym_entry->skip to symbol->ignore
2011-03-11 13:36:01 -03:00
trace-event-info.c
perf: Robustify proc and debugfs file recording
2011-07-14 15:53:01 -04:00
trace-event-parse.c
rcu: Use softirq to address performance regression
2011-06-14 15:25:39 -07:00
trace-event-read.c
perf: Use read() instead of lseek() in trace_event_read.c:skip()
2010-05-20 08:37:17 +02:00
trace-event-scripting.c
perf session: Pass evsel in event_ops->sample()
2011-03-23 19:28:58 -03:00
trace-event.h
perf session: Pass evsel in event_ops->sample()
2011-03-23 19:28:58 -03:00
types.h
perf tools: Fix 64 bit integer format strings
2011-01-22 23:41:57 -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.c
perf util: Move do_read from session to util
2011-01-03 16:50:55 -02:00
util.h
perf tools: Makefile: Remove platform-specific cruft
2011-02-18 07:42:07 -02:00
values.c
perf tools: Fix 64 bit integer format strings
2011-01-22 23:41:57 -02:00
values.h
perf tools: Protect header files with a consistent style
2009-09-24 21:27:51 +02:00
wrapper.c
perf tools: remove xstrndup, xmalloc, xzalloc
2010-05-18 23:05:28 -03:00
xyarray.c
perf tools: Introduce event selectors
2011-01-03 16:39:04 -02:00
xyarray.h
perf tools: Introduce event selectors
2011-01-03 16:39:04 -02:00