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linux/tools/perf/util
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Namhyung Kim c52686f9f8 perf symbols: Convert lseek + read to pread 
When dso_cache__read() is called, it reads data from the given offset
using lseek + normal read syscall.  It can be combined to a single pread
syscall.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1422518843-25818-40-git-send-email-namhyung@kernel.org
[ Fixed it up when cherry picking it from the multi threaded patchkit ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2015-01-29 17:02:01 -03:00
..
include
tools: Remove bitops/hweight usage of bits in tools/perf
2015-01-16 17:49:29 -03:00
scripting-engines
perf tools: Remove EOL whitespaces
2015-01-21 13:24:31 -03:00
abspath.c
perf tools: Remove some unused functions
2010-05-18 23:03:35 -03:00
alias.c
perf tools: Introduce zfree
2013-12-27 15:17:00 -03:00
annotate.c
perf tools: Remove EOL whitespaces
2015-01-21 13:24:31 -03:00
annotate.h
perf tools: Fix segfault for symbol annotation on TUI
2015-01-16 17:49:29 -03:00
bitmap.c
perf tools: Add bitmap_or function into bitmap object
2012-02-13 23:28:10 -02:00
build-id.c
perf buildid-cache: Remove extra debugdir variables
2014-12-09 09:14:34 -03:00
build-id.h
perf build-id: Move disable_buildid_cache() to util/build-id.c
2014-11-19 12:33:46 -03:00
cache.h
perf tools: Elide strlcpy warning with uclibc
2015-01-16 17:49:29 -03:00
callchain.c
perf callchain: Free callchains when hist entries are deleted
2015-01-08 11:56:35 -03:00
callchain.h
perf callchain: Free callchains when hist entries are deleted
2015-01-08 11:56:35 -03:00
cgroup.c
perf evlist: Introduce evlist__for_each() & friends
2014-01-13 10:06:25 -03:00
cgroup.h
perf tool: Add cgroup support
2011-02-16 13:30:48 +01:00
cloexec.c
perf util: Replace strerror with strerror_r for thread-safety
2014-08-15 10:58:35 -03:00
cloexec.h
perf tools: Enable close-on-exec flag on perf file descriptor
2014-07-18 09:09:34 +02:00
color.c
perf tools: Remove some unused functions from color.c
2015-01-21 13:24:32 -03:00
color.h
perf tools: Remove some unused functions from color.c
2015-01-21 13:24:32 -03:00
comm.c
perf tools: Identify which comms are from exec
2014-08-13 19:23:08 -03:00
comm.h
perf tools: Add facility to export data in database-friendly way
2014-10-29 10:32:49 -02:00
config.c
perf tools: Add --buildid-dir option to set cache directory
2014-12-09 09:14:35 -03:00
cpumap.c
perf tools: Use cpu/possible instead of cpu/kernel_max
2014-04-22 17:39:16 +02:00
cpumap.h
perf tools: Allow ability to map cpus to nodes easily
2014-04-22 17:39:12 +02:00
ctype.c
perf tools: ctype.c only wants util.h
2012-02-13 23:17:40 -02:00
data.c
perf util: Replace strerror with strerror_r for thread-safety
2014-08-15 10:58:35 -03:00
data.h
perf tools: Add perf_data_file__write interface
2013-12-02 09:22:46 -03:00
db-export.c
perf tools: Defer export of comms that were not 'set'
2014-11-03 18:11:59 -03:00
db-export.h
perf tools: Defer export of comms that were not 'set'
2014-11-03 18:11:59 -03:00
debug.c
perf tools: Allow to force redirect pr_debug to stderr.
2014-11-24 18:03:48 -03:00
debug.h
perf: Use strerror_r instead of strerror
2014-08-15 10:54:29 -03:00
dso.c
perf symbols: Convert lseek + read to pread
2015-01-29 17:02:01 -03:00
dso.h
perf callchain: Cache eh/debug frame offset for dwarf unwind
2015-01-29 16:20:42 -03:00
dwarf-aux.c
perf probe: Fix perf probe to find correct variable DIE
2014-06-04 14:49:20 +02:00
dwarf-aux.h
perf probe: Fix to find line information for probe list
2013-10-04 15:16:05 -03:00
environment.c
…
event.c
perf tools: Add id index
2014-10-29 11:24:47 -02:00
event.h
Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2014-12-09 21:18:06 -08:00
evlist.c
tools lib fs: Adopt debugfs open strerrno method
2015-01-22 10:34:22 -03:00
evlist.h
tools lib fs: Adopt debugfs open strerrno method
2015-01-22 10:34:22 -03:00
evsel.c
perf evsel: Set attr.task bit for a tracking event
2015-01-29 16:54:59 -03:00
evsel.h
perf stat: Add support for per-pkg counters
2014-12-01 20:00:30 -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
find-vdso-map.c
perf tools: Build programs to copy 32-bit compatibility
2014-10-29 10:32:48 -02:00
generate-cmdlist.sh
tools/perf: Standardize feature support define names to: HAVE_{FEATURE}_SUPPORT
2013-10-09 08:48:28 +02:00
header.c
perf header: Set header version correctly
2015-01-29 16:53:11 -03:00
header.h
perf build-id: Move build-id related functions to util/build-id.c
2014-11-05 10:14:07 -03:00
help.c
perf tools: Use zfree to help detect use after free bugs
2013-12-27 17:08:19 -03:00
help.h
…
hist.c
perf tools: Pass struct perf_hpp_fmt to its callbacks
2015-01-21 13:24:34 -03:00
hist.h
perf tools: Pass struct perf_hpp_fmt to its callbacks
2015-01-21 13:24:34 -03:00
intlist.c
perf util: Add findnew method to intlist
2013-10-14 10:28:48 -03:00
intlist.h
perf util: Add findnew method to intlist
2013-10-14 10:28:48 -03:00
kvm-stat.h
perf kvm stat report: Save pid string in opts.target.pid
2014-09-17 17:08:07 -03:00
levenshtein.c
…
levenshtein.h
…
machine.c
perf machine: Fix __machine__findnew_thread() error path
2015-01-16 17:49:28 -03:00
machine.h
perf tools: Add facility to export data in database-friendly way
2014-10-29 10:32:49 -02:00
map.c
perf callchain: Make get_srcline fall back to sym+offset
2014-11-24 18:03:47 -03:00
map.h
perf symbols: Introduce 'for' method to iterate over the symbols with a given name
2015-01-21 10:06:15 -03:00
ordered-events.c
perf session: Add option to copy events when queueing
2014-10-15 17:39:03 -03:00
ordered-events.h
perf session: Add option to copy events when queueing
2014-10-15 17:39:03 -03:00
pager.c
perf tools: Add cat as fallback pager
2014-05-21 11:48:33 +02:00
parse-events.c
Merge branch 'perf/hw_breakpoints' into perf/core
2015-01-28 15:48:59 +01:00
parse-events.h
Merge branch 'perf/hw_breakpoints' into perf/core
2015-01-28 15:48:59 +01:00
parse-events.l
perf tools: allow user to specify hardware breakpoint bp_len
2014-12-03 15:14:29 +01:00
parse-events.y
perf tools: allow user to specify hardware breakpoint bp_len
2014-12-03 15:14:29 +01:00
parse-options.c
perf tools: Allow use of an exclusive option more than once
2015-01-21 13:24:33 -03:00
parse-options.h
perf tools: Add support for exclusive option
2014-10-29 10:32:47 -02:00
path.c
tools/perf: Turn strlcpy() into a __weak function
2013-10-09 08:48:49 +02:00
perf_regs.c
perf tools: Cache register accesses for unwind processing
2014-06-12 16:53:19 +02:00
perf_regs.h
perf tools: Cache register accesses for unwind processing
2014-06-12 16:53:19 +02:00
PERF-VERSION-GEN
perf tools: Fix version when building out of tree
2013-11-07 10:40:47 -03:00
pmu.c
perf tools: Extend format_alias() to include event parameters
2015-01-21 13:24:33 -03:00
pmu.h
perf tools: Add snapshot format file parsing
2014-11-24 18:03:51 -03:00
pmu.l
perf tools: Add perf pmu object to access pmu format definition
2012-03-16 14:29:35 -03:00
pmu.y
perf tools: Fix build with bison 2.3 and older.
2013-02-14 16:12:34 -03:00
probe-event.c
perf probe: Fix probing kretprobes
2015-01-21 10:06:24 -03:00
probe-event.h
perf probe: Do not access kallsyms when analyzing user binaries
2014-09-17 18:01:14 -03:00
probe-finder.c
perf probe: Fix crash in dwarf_getcfi_elf
2015-01-02 12:44:01 -03:00
probe-finder.h
perf probe: Support distro-style debuginfo for uprobe
2014-02-18 09:38:44 -03:00
pstack.c
perf tools: Move pr_* debug macros into debug object
2014-07-17 12:58:39 -03:00
pstack.h
perf tools: Finish the removal of 'self' arguments
2013-11-05 15:32:36 -03:00
python-ext-sources
tools: Remove bitops/hweight usage of bits in tools/perf
2015-01-16 17:49:29 -03:00
python.c
perf tools: Remove EOL whitespaces
2015-01-21 13:24:31 -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
rblist.c
perf util: Add findnew method to intlist
2013-10-14 10:28:48 -03:00
rblist.h
perf util: Add findnew method to intlist
2013-10-14 10:28:48 -03:00
record.c
perf tools: Use sysctl__read_int instead of ad-hoc copies
2014-12-11 17:53:04 -03:00
run-command.c
perf util: Replace strerror with strerror_r for thread-safety
2014-08-15 10:58:35 -03:00
run-command.h
perf tools: Remove some unused functions
2010-05-18 23:03:35 -03:00
session.c
perf tools: Do not use __perf_session__process_events() directly
2015-01-29 16:36:32 -03:00
session.h
perf tools: Do not use __perf_session__process_events() directly
2015-01-29 16:36:32 -03:00
setup.py
tools/: Convert to new topic libraries
2013-12-16 16:03:27 -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: Pass struct perf_hpp_fmt to its callbacks
2015-01-21 13:24:34 -03:00
sort.h
perf tools: Add +field argument support for --field option
2014-08-24 08:11:19 -03:00
srcline.c
perf: Fix building warning on ARM 32
2014-12-19 13:09:43 +01:00
stat.c
perf stats: Add max and min stats
2013-08-07 17:35:26 -03:00
stat.h
tools: Consolidate types.h
2014-05-01 21:22:39 +02:00
strbuf.c
perf tools: Use zfree to help detect use after free bugs
2013-12-27 17:08:19 -03:00
strbuf.h
perf tools: Remove some unused functions
2010-05-18 23:03:35 -03:00
strfilter.c
perf tools: Use zfree to help detect use after free bugs
2013-12-27 17:08:19 -03:00
strfilter.h
perf tools: Finish the removal of 'self' arguments
2013-11-05 15:32:36 -03:00
string.c
Revert "perf tools: Default to cpu// for events v5"
2014-10-15 16:04:33 -03:00
strlist.c
perf tools: Fix build error due to zfree() cast
2014-01-15 15:10:04 -03:00
strlist.h
perf tools: Stop using 'self' in strlist
2013-01-25 12:49:28 -03:00
svghelper.c
perf timechart: Implement IO mode
2014-07-10 00:22:54 +02:00
svghelper.h
perf timechart: Implement IO mode
2014-07-10 00:22:54 +02:00
symbol-elf.c
perf symbols: Support to read compressed module from build-id cache
2015-01-29 16:56:54 -03:00
symbol-minimal.c
perf symbols: Fix use after free in filename__read_build_id
2014-12-17 11:58:17 -03:00
symbol.c
perf tools: Remove EOL whitespaces
2015-01-21 13:24:31 -03:00
symbol.h
perf symbols: Introduce method to iterate symbols ordered by name
2015-01-21 10:05:54 -03:00
target.c
perf record: Make per-cpu mmaps the default.
2013-11-27 14:58:36 -03:00
target.h
perf target: Move the checking of which map function to call into function.
2013-12-04 13:46:37 -03:00
thread_map.c
perf thread_map: Create dummy constructor out of open coded equivalent
2014-10-14 17:32:52 -03:00
thread_map.h
perf thread_map: Create dummy constructor out of open coded equivalent
2014-10-14 17:32:52 -03:00
thread-stack.c
perf tools: Enhance the thread stack to output call/return data
2014-11-03 17:43:56 -03:00
thread-stack.h
perf tools: Enhance the thread stack to output call/return data
2014-11-03 17:43:56 -03:00
thread.c
perf tools: Only override the default :tid comm entry
2014-11-19 12:37:26 -03:00
thread.h
perf tools: Add a thread stack for synthesizing call chains
2014-11-03 17:10:59 -03:00
tool.h
perf tools: Add id index
2014-10-29 11:24:47 -02:00
top.c
perf tools: Rename 'perf_record_opts' to 'record_opts
2013-12-19 14:43:45 -03:00
top.h
tools: Consolidate types.h
2014-05-01 21:22:39 +02:00
trace-event-info.c
perf tools: Move pr_* debug macros into debug object
2014-07-17 12:58:39 -03:00
trace-event-parse.c
perf tools: Fix memory leak in event_format__print function
2014-02-18 09:34:47 -03:00
trace-event-read.c
perf tools: Remove needless getopt.h includes
2014-07-17 12:59:00 -03:00
trace-event-scripting.c
perf scripting: Add 'flush' callback to scripting API
2014-08-22 13:12:11 -03:00
trace-event.c
tools lib traceevent: Make plugin unload function receive pevent
2014-01-15 15:10:40 -03:00
trace-event.h
perf scripting: Add 'flush' callback to scripting API
2014-08-22 13:12:11 -03:00
tsc.c
perf tools: Move rdtsc() function
2014-07-23 11:48:11 -03:00
tsc.h
perf tools: Move rdtsc() function
2014-07-23 11:48:11 -03:00
unwind-libdw.c
perf callchains: Use thread->mg->machine
2014-10-29 10:32:46 -02:00
unwind-libdw.h
perf tools: Add libdw DWARF post unwind support
2014-02-24 09:29:36 -03:00
unwind-libunwind.c
perf callchain: Cache eh/debug frame offset for dwarf unwind
2015-01-29 16:20:42 -03:00
unwind.h
perf callchains: Use thread->mg->machine
2014-10-29 10:32:46 -02:00
usage.c
perf target: Introduce perf_target__parse_uid()
2012-05-07 16:46:48 -03:00
util.c
perf tools: Use sysctl__read_int instead of ad-hoc copies
2014-12-11 17:53:04 -03:00
util.h
perf: Fix building warning on ARM 32
2014-12-19 13:09:43 +01:00
values.c
perf tools: Use zfree to help detect use after free bugs
2013-12-27 17:08:19 -03:00
values.h
tools: Consolidate types.h
2014-05-01 21:22:39 +02:00
vdso.c
perf tools: Do not attempt to run perf-read-vdso32 if it wasn't built
2014-10-29 10:32:48 -02:00
vdso.h
perf tools: Add support for 32-bit compatibility VDSOs
2014-10-29 10:32:48 -02:00
wrapper.c
perf tools: Use __maybe_used for unused variables
2012-09-11 12:19:15 -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
zlib.c
perf tools: Add gzip decompression support for kernel module
2014-11-05 10:11:26 -03:00