Linux mainline fork with MSM8998 patches | https://mainline.space | Currently supported devices:
OnePlus 5/5T, Xiaomi Mi 6, F(x)tec Pro¹ (2019 QX1000 model) & Sony Xperia XZ Premium (UNTESTED!)
a0a8f2ada3
- Allow system wide 'perf stat --per-thread', sorting the result (Jin Yao)
E.g.:
[root@jouet ~]# perf stat --per-thread --metrics IPC
^C
Performance counter stats for 'system wide':
make-22229 23,012,094,032 inst_retired.any # 0.8 IPC
cc1-22419 692,027,497 inst_retired.any # 0.8 IPC
gcc-22418 328,231,855 inst_retired.any # 0.9 IPC
cc1-22509 220,853,647 inst_retired.any # 0.8 IPC
gcc-22486 199,874,810 inst_retired.any # 1.0 IPC
as-22466 177,896,365 inst_retired.any # 0.9 IPC
cc1-22465 150,732,374 inst_retired.any # 0.8 IPC
gcc-22508 112,555,593 inst_retired.any # 0.9 IPC
cc1-22487 108,964,079 inst_retired.any # 0.7 IPC
qemu-system-x86-2697 21,330,550 inst_retired.any # 0.3 IPC
systemd-journal-551 20,642,951 inst_retired.any # 0.4 IPC
docker-containe-17651 9,552,892 inst_retired.any # 0.5 IPC
dockerd-current-9809 7,528,586 inst_retired.any # 0.5 IPC
make-22153 12,504,194,380 inst_retired.any # 0.8 IPC
python2-22429 12,081,290,954 inst_retired.any # 0.8 IPC
<SNIP>
python2-22429 15,026,328,103 cpu_clk_unhalted.thread
cc1-22419 826,660,193 cpu_clk_unhalted.thread
gcc-22418 365,321,295 cpu_clk_unhalted.thread
cc1-22509 279,169,362 cpu_clk_unhalted.thread
gcc-22486 210,156,950 cpu_clk_unhalted.thread
<SNIP>
5.638075538 seconds time elapsed
[root@jouet ~]#
- Improve shell auto-completion of perf events (Jin Yao)
- Fix symbol fixup issues in arm64 due to ELF type (Kim Phillips)
- Ignore threads when they vanish after procfs based enumeration and
before we try to use them with sys_perf_event_open(), i.e. just remove
them from the thread_map and continue with the rest. This makes, among
other cases, the previous new feature (perf stat --per-thread for system
wide, albeit that not seeming to be the motivation for this patch) more
robust. (Mengting Zhang)
- Generate s390 syscall table from asm/unistd.h, doing like x86,
removing the dependency on audit-libs to do this id->string translation,
speeding up the support for newly introducted syscalls (Hendrik Brueckner)
- Fix 'perf test' on filesystems where readdir() returns d_type == DT_UNKNOWN,
such as XFS (Jiri Olsa)
- Fix PERF_SAMPLE_RAW_DATA endianity handling for cross-arch tracepoint
processing (Jiri Olsa)
- Add __return suffix for return events in 'perf probe', streamlining
entry/exit tracing (Masami Hiramatsu)
- Improve support for versioned symbols in 'perf probe" (Masami Hiramatsu)
- Clarify error message about invalid 'perf probe' event names (Masami Hiramatsu)
- Fix check open filename arg using 'perf trace' in a 'perf test' entry for
systems using glibc >= 2.26, such as some ARM and s390 distros (Michael Petlan)
- Make method for obtaining the (normalized) architecture id for a
perf.data file or for the running system used by the annotation routines
generally available, next user will be for generating per arch errno
string tables to allow for pretty printing errno codes recorded in a
perf.data file in architecture A to be properly decoded on hardware
archictecture B. (Arnaldo Carvalho de Melo)
- Remove duplicate includes, found using scripts/checkincludes.pl (Pravin Shedge)
- s390 needs -fPIC, enable it, also revert a patch that supposedly did
that but instead enabled -fPIC for x86 (Hendrik Brueckner, Arnaldo Carvalho de Melo)
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-core-for-mingo-4.16-20171227' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core
Pull perf/core improvements and fixes from Arnaldo Carvalho de Melo:
- Allow system wide 'perf stat --per-thread', sorting the result (Jin Yao)
E.g.:
[root@jouet ~]# perf stat --per-thread --metrics IPC
^C
Performance counter stats for 'system wide':
make-22229 23,012,094,032 inst_retired.any # 0.8 IPC
cc1-22419 692,027,497 inst_retired.any # 0.8 IPC
gcc-22418 328,231,855 inst_retired.any # 0.9 IPC
cc1-22509 220,853,647 inst_retired.any # 0.8 IPC
gcc-22486 199,874,810 inst_retired.any # 1.0 IPC
as-22466 177,896,365 inst_retired.any # 0.9 IPC
cc1-22465 150,732,374 inst_retired.any # 0.8 IPC
gcc-22508 112,555,593 inst_retired.any # 0.9 IPC
cc1-22487 108,964,079 inst_retired.any # 0.7 IPC
qemu-system-x86-2697 21,330,550 inst_retired.any # 0.3 IPC
systemd-journal-551 20,642,951 inst_retired.any # 0.4 IPC
docker-containe-17651 9,552,892 inst_retired.any # 0.5 IPC
dockerd-current-9809 7,528,586 inst_retired.any # 0.5 IPC
make-22153 12,504,194,380 inst_retired.any # 0.8 IPC
python2-22429 12,081,290,954 inst_retired.any # 0.8 IPC
<SNIP>
python2-22429 15,026,328,103 cpu_clk_unhalted.thread
cc1-22419 826,660,193 cpu_clk_unhalted.thread
gcc-22418 365,321,295 cpu_clk_unhalted.thread
cc1-22509 279,169,362 cpu_clk_unhalted.thread
gcc-22486 210,156,950 cpu_clk_unhalted.thread
<SNIP>
5.638075538 seconds time elapsed
[root@jouet ~]#
- Improve shell auto-completion of perf events (Jin Yao)
- Fix symbol fixup issues in arm64 due to ELF type (Kim Phillips)
- Ignore threads when they vanish after procfs based enumeration and
before we try to use them with sys_perf_event_open(), i.e. just remove
them from the thread_map and continue with the rest. This makes, among
other cases, the previous new feature (perf stat --per-thread for system
wide, albeit that not seeming to be the motivation for this patch) more
robust. (Mengting Zhang)
- Generate s390 syscall table from asm/unistd.h, doing like x86,
removing the dependency on audit-libs to do this id->string translation,
speeding up the support for newly introducted syscalls (Hendrik Brueckner)
- Fix 'perf test' on filesystems where readdir() returns d_type == DT_UNKNOWN,
such as XFS (Jiri Olsa)
- Fix PERF_SAMPLE_RAW_DATA endianity handling for cross-arch tracepoint
processing (Jiri Olsa)
- Add __return suffix for return events in 'perf probe', streamlining
entry/exit tracing (Masami Hiramatsu)
- Improve support for versioned symbols in 'perf probe" (Masami Hiramatsu)
- Clarify error message about invalid 'perf probe' event names (Masami Hiramatsu)
- Fix check open filename arg using 'perf trace' in a 'perf test' entry for
systems using glibc >= 2.26, such as some ARM and s390 distros (Michael Petlan)
- Make method for obtaining the (normalized) architecture id for a
perf.data file or for the running system used by the annotation routines
generally available, next user will be for generating per arch errno
string tables to allow for pretty printing errno codes recorded in a
perf.data file in architecture A to be properly decoded on hardware
archictecture B. (Arnaldo Carvalho de Melo)
- Remove duplicate includes, found using scripts/checkincludes.pl (Pravin Shedge)
- s390 needs -fPIC, enable it, also revert a patch that supposedly did
that but instead enabled -fPIC for x86 (Hendrik Brueckner, Arnaldo Carvalho de Melo)
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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| init | ||
| ipc | ||
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| lib | ||
| mm | ||
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| samples | ||
| scripts | ||
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| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
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| .mailmap | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.