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* Merge branch 'perf/core' of ↵Ingo Molnar2011-08-103-12/+50
|\ | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent
| * perf symbols: Check '/tmp/perf-' symbol file ownershipPekka Enberg2011-08-091-0/+11
| | | | | | | | | | | | | | | | | | | | | | | | The external symbol files are generated by JIT compilers, for example, but we need to make sure they're ours before injecting them to 'perf report'. Requested-by: Ingo Molnar <mingo@elte.hu> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/1312919658-17158-1-git-send-email-penberg@kernel.org Signed-off-by: Pekka Enberg <penberg@kernel.org> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
| * perf sched: Usage leftover from trace -> script renameJiri Olsa2011-08-091-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | The 'perf sched' command usage still showing 'trace' command instead of the 'script' command. Cc: Ingo Molnar <mingo@elte.hu> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/20110809124651.GD2056@jolsa.brq.redhat.com Signed-off-by: Jiri Olsa <jolsa@redhat.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
| * perf sched: Do not delete session object prematurelyJiri Olsa2011-08-091-7/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The session object is released prematurely when processing events for latency command. The session's thread objects are used within the output_lat_thread function. Runnning following commands: # perf sched record # perf sched latency the latter displays incorrect data and might cause access violation. Cc: Ingo Molnar <mingo@elte.hu> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1312837414-3819-1-git-send-email-jolsa@redhat.com Signed-off-by: Jiri Olsa <jolsa@redhat.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
| * perf tools: Check $HOME/.perfconfig ownershipArnaldo Carvalho de Melo2011-08-091-4/+23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Just like we do already for perf.data files. Requested-by: Ingo Molnar <mingo@elte.hu> Cc: Ben Hutchings <ben@decadent.org.uk> Cc: Christian Ohm <chr.ohm@gmx.net> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jonathan Nieder <jrnieder@gmail.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/n/tip-qgokmxsmvppwpc5404qhyk7e@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* | Merge branch 'perf/core' of ↵Ingo Molnar2011-08-095-23/+46
|\| | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent
| * perf tools: Add support to install perf python extensionJiri Olsa2011-08-082-7/+33
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Adding install-python_ext target to install python extension related files. Installation directory is governed by python distutils package and follows the DESTDIR variable settings. Also moving python extension build output into '$(O)python_ext_build' directory and making it configurable via PYTHON_EXTBUILD variable. Keeping the '$(O)python/perf.so' file, so it could be used for testing as of until now. Cc: Ingo Molnar <mingo@elte.hu> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/20110722113307.GA1931@jolsa.brq.redhat.com Signed-off-by: Jiri Olsa <jolsa@redhat.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
| * perf tools: do not look at ./config for configurationJonathan Nieder2011-08-081-7/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In addition to /etc/perfconfig and $HOME/.perfconfig, perf looks for configuration in the file ./config, imitating git which looks at $GIT_DIR/config. If ./config is not a perf configuration file, it fails, or worse, treats it as a configuration file and changes behavior in some unexpected way. "config" is not an unusual name for a file to be lying around and perf does not have a private directory dedicated for its own use, so let's just stop looking for configuration in the cwd. Callers needing context-sensitive configuration can use the PERF_CONFIG environment variable. Requested-by: Christian Ohm <chr.ohm@gmx.net> Cc: 632923@bugs.debian.org Cc: Ben Hutchings <ben@decadent.org.uk> Cc: Christian Ohm <chr.ohm@gmx.net> Cc: Ingo Molnar <mingo@elte.hu> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/20110805165838.GA7237@elie.gateway.2wire.net Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
| * perf tools: Make clean leaves some filesKusanagi Kouichi2011-08-081-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | Use LIB_OBJS and BUILTIN_OBJS for .o files. LIB_FILE is already prefixed with OUTPUT. Cc: Ingo Molnar <mingo@elte.hu> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/20110807083932.9C0E514C03B@msa103.auone-net.jp Signed-off-by: Kusanagi Kouichi <slash@ac.auone-net.jp> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
| * perf lock: Dropping unsupported ':r' modifierZhu Yanhai2011-08-081-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Looks to me like the :r modifier is not supported anymore, so remove it from the list of events. Without this fix 'perf lock record' doesn't work. Cc: Ingo Molnar <mingo@elte.hu> Cc: Paul Mackerras <paulus@samba.org> Cc: Zhu Yanhai <gaoyang.zyh@taobao.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1312035232-9534-1-git-send-email-gaoyang.zyh@taobao.com Signed-off-by: Zhu Yanhai <gaoyang.zyh@taobao.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
| * perf probe: Fix coredump introduced by probe module optionJovi Zhang2011-08-081-4/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | perf will coredump if the user doesn't give the "-m" option in probe command, this patch fixes it. [root@localhost perf]# ./perf probe --add='PROBE' Segmentation fault (core dumped) Cc: Ingo Molnar <mingo@elte.hu> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1311602888-2389-1-git-send-email-bookjovi@gmail.com Signed-off-by: Jovi Zhang <bookjovi@gmail.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* | Merge branch 'perf/core' of ↵Ingo Molnar2011-08-056-32/+140
|\| | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent
| * perf report: Use ui__warning in some more placesArnaldo Carvalho de Melo2011-08-031-8/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | So that we get a proper warning in the TUI in cases like: $ perf report --stdio -g fractal,0.5,caller --sort pid Selected -g but no callchain data. Did you call 'perf record' without -g? $ The --stdio case is ok because it uses fprintf, ui__warning is needed to figure out if --stdio or --tui is being used. Cc: Arun Sharma <asharma@fb.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Sam Liao <phyomh@gmail.com> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/n/tip-ag9fz2wd17mbbfjsbznq1wms@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
| * perf python: Add PERF_RECORD_{LOST,READ,SAMPLE} routine tablesArnaldo Carvalho de Melo2011-07-251-3/+112
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | So those friggin "spurious" PERF_RECORD_MMAP events were actually a brain fart copy'n'paste error in the python binding, doh. I.e. they weren't MMAPs, just SAMPLEs. Fix it by providing routines for these events instead of using the MMAP ones. Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/n/tip-b0rc8y5jd03f9f11kftodvkm@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
| * perf evlist: Introduce 'disable' methodArnaldo Carvalho de Melo2011-07-253-17/+17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | To remove the last case of access to the FD() macro outside the library. Inspired by a patch by Borislav that moved the FD() macro to util.h, for namespace concerns I rather preferred to constrain it to ev{sel,list}.c. Cc: Borislav Petkov <bp@amd64.org> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/n/tip-qn893qsstcg366tkucu649qj@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
| * perf buildid-cache: Zero out buffer of filenames when adding/removing buildidHan Pingtian2011-07-221-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The readlink() function doesn't append a null byte to buf. So we should zero out buf with zalloc(). Or we'll see sometimes error like this: [root@intel-s3e36-01]~# /usr/bin/perf buildid-cache -a /lib/modules/2.6.32-130.el6.x86_64/kernel/crypto/twofish_common.ko -v Adding f64ba8efd5f53c7ad332fc17db1d21de309038e1 /lib/modules/2.6.32-130.el6.x86_64/kernel/crypto/twofish_common.ko: Ok [root@intel-s3e36-01]~# /usr/bin/perf buildid-cache -r /lib/modules/2.6.32-130.el6.x86_64/kernel/crypto/twofish_common.ko -v Removing f64ba8efd5f53c7ad332fc17db1d21de309038e1 /lib/modules/2.6.32-130.el6.x86_64/kernel/crypto/twofish_common.ko: FAIL /lib/modules/2.6.32-130.el6.x86_64/kernel/crypto/twofish_common.ko wasn't in the cache The change in build_id_cache__add_s() is a defense. Tested-by: Jiri Olsa <jolsa@redhat.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lkml.kernel.org/r/20110718031314.GA5802@hpt.nay.redhat.com Signed-off-by: Han Pingtian <phan@redhat.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* | Merge branch 'tools-release' of ↵Linus Torvalds2011-08-032-26/+25
|\ \ | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-idle-2.6 * 'tools-release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-idle-2.6: tools/power turbostat: fit output into 80 columns on snb-ep tools/power x86_energy_perf_policy: fix print of uninitialized string
| * | tools/power turbostat: fit output into 80 columns on snb-epLen Brown2011-08-031-23/+23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Reduce columns for package number to 1. If you can afford more than 9 packages, you can also afford a terminal with more than 80 columns:-) Also shave a column also off the package C-states Signed-off-by: Len Brown <len.brown@intel.com>
| * | tools/power x86_energy_perf_policy: fix print of uninitialized stringLen Brown2011-07-161-3/+2
| | | | | | | | | | | | | | | | | | | | | Looks like I was going to stick the brand string in the verbose ouput, but didn't get around to it. Signed-off-by: Len Brown <len.brown@intel.com>
* | | Merge git://git.kernel.org/pub/scm/linux/kernel/git/brodo/cpupowerutilsLinus Torvalds2011-07-3170-0/+13855
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/brodo/cpupowerutils: cpupower: Do detect IDA (opportunistic processor performance) via cpuid cpupower: Show Intel turbo ratio support via ./cpupower frequency-info cpupowerutils: increase MAX_LINE_LEN cpupower: Rename package from cpupowerutils to cpupower cpupowerutils: Rename: libcpufreq->libcpupower cpupowerutils: use kernel version-derived version string cpupowerutils: utils - ConfigStyle bugfixes cpupowerutils: helpers - ConfigStyle bugfixes cpupowerutils: idle_monitor - ConfigStyle bugfixes cpupowerutils: lib - ConfigStyle bugfixes cpupowerutils: bench - ConfigStyle bugfixes cpupowerutils: do not update po files on each and every compile cpupowerutils: remove ccdv, use kernel quiet/verbose mechanism cpupowerutils: use COPYING, CREDITS from top-level directory cpupowerutils - cpufrequtils extended with quite some features
| * | | cpupower: Do detect IDA (opportunistic processor performance) via cpuidThomas Renninger2011-07-294-41/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | IA32-Intel Devel guide Volume 3A - 14.3.2.1 ------------------------------------------- ... Opportunistic processor performance operation can be disabled by setting bit 38 of IA32_MISC_ENABLES. This mechanism is intended for BIOS only. If IA32_MISC_ENABLES[38] is set, CPUID.06H:EAX[1] will return 0. Better detect things via cpuid, this cleans up the code a bit and the MSR parts were not working correctly anyway. Signed-off-by: Thomas Renninger <trenn@suse.de> CC: lenb@kernel.org CC: linux@dominikbrodowski.net CC: cpufreq@vger.kernel.org Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
| * | | cpupower: Show Intel turbo ratio support via ./cpupower frequency-infoThomas Renninger2011-07-294-17/+95
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This adds the last piece missing from turbostat (if called with -v). It shows on Intel machines supporting Turbo Boost how many cores have to be active/idle to enter which boost mode (frequency). Whether the HW really enters these boost modes can be verified via ./cpupower monitor. Signed-off-by: Thomas Renninger <trenn@suse.de> CC: lenb@kernel.org CC: linux@dominikbrodowski.net CC: cpufreq@vger.kernel.org Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
| * | | cpupowerutils: increase MAX_LINE_LENRoman Vasiyarov2011-07-291-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | larger sysfs data (>255 bytes) was truncated and thus used improperly [linux@dominikbrodowski.net: adapted to cpupowerutils] Signed-off-by: Roman Vasiyarov <rvasiyarov@gmail.com> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
| * | | cpupower: Rename package from cpupowerutils to cpupowerThomas Renninger2011-07-291-6/+6
| | | | | | | | | | | | | | | | | | | | Signed-off-by: Thomas Renninger <trenn@suse.de> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
| * | | cpupowerutils: Rename: libcpufreq->libcpupowerThomas Renninger2011-07-293-18/+17
| | | | | | | | | | | | | | | | | | | | | | | | [linux@dominikbrodowski.net: fix .gitignore] Signed-off-by: Thomas Renninger <trenn@suse.de> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
| * | | cpupowerutils: use kernel version-derived version stringDominik Brodowski2011-07-292-7/+41
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | As cpupowerutils is intended to be included into the kernel sources, use the kernel versioning instead of a custom version. The script utils/version-gen.sh is largely based on the script already found in tools/perf/util/PERF-VERSION-GEN . Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
| * | | cpupowerutils: utils - ConfigStyle bugfixesDominik Brodowski2011-07-296-108/+122
| | | | | | | | | | | | | | | | Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
| * | | cpupowerutils: helpers - ConfigStyle bugfixesDominik Brodowski2011-07-299-86/+100
| | | | | | | | | | | | | | | | Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
| * | | cpupowerutils: idle_monitor - ConfigStyle bugfixesDominik Brodowski2011-07-296-115/+128
| | | | | | | | | | | | | | | | Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
| * | | cpupowerutils: lib - ConfigStyle bugfixesDominik Brodowski2011-07-294-172/+209
| | | | | | | | | | | | | | | | Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
| * | | cpupowerutils: bench - ConfigStyle bugfixesDominik Brodowski2011-07-298-58/+75
| | | | | | | | | | | | | | | | Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
| * | | cpupowerutils: do not update po files on each and every compileDominik Brodowski2011-07-291-7/+16
| | | | | | | | | | | | | | | | Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
| * | | cpupowerutils: remove ccdv, use kernel quiet/verbose mechanismDominik Brodowski2011-07-294-411/+24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Use the quiet/verbose mechanism found in kernel tools, without relying on the special tool "ccdv" Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
| * | | cpupowerutils: use COPYING, CREDITS from top-level directoryDominik Brodowski2011-07-292-358/+0
| | | | | | | | | | | | | | | | Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
| * | | cpupowerutils - cpufrequtils extended with quite some featuresDominik Brodowski2011-07-2972-0/+14417
| |/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | CPU power consumption vs performance tuning is no longer limited to CPU frequency switching anymore: deep sleep states, traditional dynamic frequency scaling and hidden turbo/boost frequencies are tied close together and depend on each other. The first two exist on different architectures like PPC, Itanium and ARM, the latter (so far) only on X86. On X86 the APU (CPU+GPU) will only run most efficiently if CPU and GPU has proper power management in place. Users and Developers want to have *one* tool to get an overview what their system supports and to monitor and debug CPU power management in detail. The tool should compile and work on as many architectures as possible. Once this tool stabilizes a bit, it is intended to replace the Intel-specific tools in tools/power/x86 Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
* | | Merge branch 'slub/lockless' of ↵Linus Torvalds2011-07-301-19/+40
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/penberg/slab-2.6 * 'slub/lockless' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/slab-2.6: (21 commits) slub: When allocating a new slab also prep the first object slub: disable interrupts in cmpxchg_double_slab when falling back to pagelock Avoid duplicate _count variables in page_struct Revert "SLUB: Fix build breakage in linux/mm_types.h" SLUB: Fix build breakage in linux/mm_types.h slub: slabinfo update for cmpxchg handling slub: Not necessary to check for empty slab on load_freelist slub: fast release on full slab slub: Add statistics for the case that the current slab does not match the node slub: Get rid of the another_slab label slub: Avoid disabling interrupts in free slowpath slub: Disable interrupts in free_debug processing slub: Invert locking and avoid slab lock slub: Rework allocator fastpaths slub: Pass kmem_cache struct to lock and freeze slab slub: explicit list_lock taking slub: Add cmpxchg_double_slab() mm: Rearrange struct page slub: Move page->frozen handling near where the page->freelist handling occurs slub: Do not use frozen page flag but a bit in the page counters ...
| * | | slub: slabinfo update for cmpxchg handlingChristoph Lameter2011-07-021-19/+40
| |/ / | | | | | | | | | | | | | | | | | | | | | Update the statistics handling and the slabinfo tool to include the new statistics in the reports it generates. Signed-off-by: Christoph Lameter <cl@linux.com> Signed-off-by: Pekka Enberg <penberg@kernel.org>
* | | Merge branch 'for-linus' of ↵Linus Torvalds2011-07-262-149/+963
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-ktest * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-ktest: ktest: Fix bug when ADD_CONFIG is set but MIN_CONFIG is not ktest: Keep fonud configs separate from default configs ktest: Add prompt to use OUTPUT_MIN_CONFIG ktest: Use Kconfig dependencies to shorten time to make min_config ktest: Add test type make_min_config ktest: Require one TEST_START in config file ktest: Add helper function to avoid duplicate code ktest: Add IGNORE_WARNINGS to ignore warnings in some patches ktest: Fix tar extracting of modules to target ktest: Have the testing tmp dir include machine name ktest: Add POST/PRE_BUILD options ktest: Allow initrd processing without modules defined ktest: Have LOG_FILE evaluate options as well ktest: Have wait on stdio honor bug timeout ktest: Implement our own force min config ktest: Add TEST_NAME option ktest: Add CONFIG_BISECT_GOOD option ktest: Add detection of triple faults ktest: Notify reason to break out of monitoring boot
| * | | ktest: Fix bug when ADD_CONFIG is set but MIN_CONFIG is notSteven Rostedt2011-07-161-12/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The MIN_CONFIG is a single config that is considered to have all the configs that are required to boot the box. ADD_CONFIG is a list of configs that we add that may contain configs known to be broken (set off) or just configs that we want every box to have and this can include shared configs. If a config has no MIN_CONFIG defined, but has multiple files defined for the ADD_CONFIG, the test will die, because the MIN_CONFIG will default to ADD_CONFIG. The problem is the code to open MIN_CONFIG expects a string of one file, not multiple, and the open will fail. Since the real minconfig that is used is a concatination of MIN_CONFIG and ADD_CONFIG files, we change the code to open that instead of whatever MIN_CONFIG defaults to. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
| * | | ktest: Keep fonud configs separate from default configsSteven Rostedt2011-07-161-4/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The IGNORE_CONFIG file holds the configs that we don't want to change (with their proper settings). But on start up, the make noconfig is executed, and the configs that are on are also put into the ignore config category. But these are configs that were forced on by the kconfig scripts and not something that we found must be enabled to boot our machine. By keeping the configs that are forced on by default, separate from the configs we found that are required to boot the box, we can get a much more interesting IGNORE_CONFIG. In fact, the IGNORE_CONFIG can usually end up being the must have configs to boot, and only have 6 or 7 configs set. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
| * | | ktest: Add prompt to use OUTPUT_MIN_CONFIGSteven Rostedt2011-07-162-14/+59
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If the defined OUTPUT_MIN_CONFIG in the make_min_config test exists, then give a prompt to ask the user if they want to use that config instead, as it is very often the case, especially when the test has been interrupted. The OUTPUT_MIN_CONFIG is usually the config that one wants to use to continue the test where they left off. But if START_MIN_CONFIG is defined (thus the MIN_CONFIG is not the default), then do not prompt, as it will be annoying if the user has this as one of many tests, and the test pauses waiting for input, while the user is sleeping. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
| * | | ktest: Use Kconfig dependencies to shorten time to make min_configSteven Rostedt2011-07-162-22/+273
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | To save time, the test does not just grab any option and test it. The Kconfig files are examined to determine the dependencies of the configs. If a config is chosen that depends on another config, that config will be checked first. By checking the parents first, we can eliminate whole groups of configs that may have been enabled. For example, if a USB device config is chosen and depends on CONFIG_USB, the CONFIG_USB will be tested before the device. If CONFIG_USB is found not to be needed, it, as well as all configs that depend on it, will be disabled and removed from the current min_config. Note, the code from streamline_config (make localmodconfig) was copied and used to find the dependencies in the Kconfig file. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
| * | | ktest: Add test type make_min_configSteven Rostedt2011-07-162-4/+301
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | After doing a make localyesconfig, your kernel configuration may not be the most useful minimum configuration. Having a true minimum config that you can use against other configs is very useful if someone else has a config that breaks on your code. By only forcing those configurations that are truly required to boot your machine will give you less of a chance that one of your set configurations will make the bug go away. This will give you a better chance to be able to reproduce the reported bug matching the broken config. Note, this does take some time, and may require you to run the test over night, or perhaps over the weekend. But it also allows you to interrupt it, and gives you the current minimum config that was found till that time. Note, this test automatically assumes a BUILD_TYPE of oldconfig and its test type acts like boot. TODO: add a test version that makes the config do more than just boot, like having network access. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
| * | | ktest: Require one TEST_START in config fileSteven Rostedt2011-06-151-0/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There has been too many times that I put in one too many SKIP TEST_STARTs and start the test with the default randconfig by accident that I added this to have ktest ask the user for which test they want to run if no TEST_START is specified. Now if I accidently start the test with all TEST_STARTs skipped, ktest asks what test do I want to run, and I now have a chance to kill it before it does a make mrproper on my build directory. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
| * | | ktest: Add helper function to avoid duplicate codeSteven Rostedt2011-06-151-26/+20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Several places had the following code: get_grub_index; get_version; install; start_monitor; return monitor; Creating a function "start_monitor_and_boot()" replaces these mulitple uses with a single call. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
| * | | ktest: Add IGNORE_WARNINGS to ignore warnings in some patchesSteven Rostedt2011-06-152-2/+20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Doing a patchcheck test, there may be warnings that gcc produces which may be OK, and the test should not fail on that commit. By adding a IGNORE_WARNINGS option to list a space delimited SHA1s that are ignored lets the user avoid having the test fail on certain commits. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
| * | | ktest: Fix tar extracting of modules to targetSteven Rostedt2011-06-151-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The tar command to create the module directory is cjf, but the extraction only had xf. This works on most versions of tar, but some versions of tar require xjf for extraction as well. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
| * | | ktest: Have the testing tmp dir include machine nameSteven Rostedt2011-06-152-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | As multiple tests may be executed by the same server, have the test machine name add uniqueness to the value of the temp directory. Otherwise the temp directories may overwrite each other's tests. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
| * | | ktest: Add POST/PRE_BUILD optionsSteven Rostedt2011-06-152-3/+60
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There are some cases that a patch may be needed to apply to the kernel in patchcheck or bisect tests. Adding a PRE_BUILD option to apply the patch and POST_BUILD to remove it, allows for this to be done easily. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
| * | | ktest: Allow initrd processing without modules definedSteven Rostedt2011-06-131-6/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When a config is set with CONFIG_MODULES=n, it does not mean that the kernel does not need an initrd to boot. For systems that depend on LVM and such, an initrd must run first. If POST_INSTALL is defined, then run the post install regardless if modules are needed or not. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
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