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

…

alias.c

…

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

…

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

…

cgroup.h

…

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

…

cpumap.h

…

ctype.c

…

data.c

perf util: Replace strerror with strerror_r for thread-safety

2014-08-15 10:58:35 -03:00

data.h

…

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

…

dwarf-aux.h

…

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

…

exec_cmd.h

…

find-vdso-map.c

perf tools: Build programs to copy 32-bit compatibility

2014-10-29 10:32:48 -02:00

generate-cmdlist.sh

…

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

…

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

…

intlist.h

…

kvm-stat.h

perf kvm stat report: Save pid string in opts.target.pid

2014-09-17 17:08:07 -03:00

levenshtein.c

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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

…

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

…

perf_regs.c

…

perf_regs.h

…

PERF-VERSION-GEN

…

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

…

pmu.y

…

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

…

pstack.c

perf tools: Move pr_* debug macros into debug object

2014-07-17 12:58:39 -03:00

pstack.h

…

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

…

quote.h

…

rblist.c

…

rblist.h

…

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

…

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

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sigchain.c

…

sigchain.h

…

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

…

stat.h

…

strbuf.c

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strbuf.h

…

strfilter.c

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strfilter.h

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string.c

Revert "perf tools: Default to cpu// for events v5"

2014-10-15 16:04:33 -03:00

strlist.c

…

strlist.h

…

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

…

target.h

…

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

…

top.h

…

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

…

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

…

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

…

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

…

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

…

values.h

…

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

…

xyarray.c

…

xyarray.h

…

zlib.c

perf tools: Add gzip decompression support for kernel module

2014-11-05 10:11:26 -03:00