When the perf data file is read cross architectures, the
perf_event__attr_swap function takes care about endianness of all the
struct fields except the bitfield flags.
The bitfield flags need to be transformed as well, since the bitfield
binary storage differs for both endians.
ABI says:
Bit-fields are allocated from right to left (least to most significant)
on little-endian implementations and from left to right (most to least
significant) on big-endian implementations.
The above seems to be byte specific, so we need to reverse each byte of
the bitfield. 'Internet' also says this might be implementation specific
and we probably need proper fix and carry perf_event_attr bitfield flags
in separate data file FEAT_ section. Thought this seems to work for now.
Note, running following to test perf endianity handling:
test 1)
- origin system:
# perf record -a -- sleep 10 (any perf record will do)
# perf report > report.origin
# perf archive perf.data
- copy the perf.data, report.origin and perf.data.tar.bz2
to a target system and run:
# tar xjvf perf.data.tar.bz2 -C ~/.debug
# perf report > report.target
# diff -u report.origin report.target
- the diff should produce no output
(besides some white space stuff and possibly different
date/TZ output)
test 2)
- origin system:
# perf record -ag -fo /tmp/perf.data -- sleep 1
- mount origin system root to the target system on /mnt/origin
- target system:
# perf script --symfs /mnt/origin -I -i /mnt/origin/tmp/perf.data \
--kallsyms /mnt/origin/proc/kallsyms
- complete perf.data header is displayed
Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Reviewed-by: David Ahern <dsahern@gmail.com>
Tested-by: David Ahern <dsahern@gmail.com>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1337151548-2396-3-git-send-email-jolsa@redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'ktest-v3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-ktest
Pull ktest updates from Steven Rostedt.
* tag 'ktest-v3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-ktest:
ktest: Add README to explain what is in the examples directory
ktest: Add the snowball.conf example config
ktest: Add an example config that does cross compiling of several archs
ktest: Add kvm.conf example config
ktest: Add useful example configs
ktest: Add USE_OUTPUT_MIN_CONFIG to avoid prompt on make_min_config
ktest: Add MIN_CONFIG_TYPE to allow making a minum .config that has network
ktest: Fix kernelrevision with POST_BUILD
Add PERF_SAMPLE_CPU flag into attr->sample_type if an user specified any
of cpu target (either system-wide or cpu list).
It will show correct values when cpu sort key is given for perf top and
perf report.
Signed-off-by: Namhyung Kim <namhyung.kim@lge.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1337564527-9367-1-git-send-email-namhyung.kim@lge.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Although perf depends on the libtraceevent, it cannot know when it needs
to be rebuilt. So just try to rebuild it always in order to make sure we
use the latest version.
While at it, silence annoying directory change messages.
Signed-off-by: Namhyung Kim <namhyung.kim@lge.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Steven Rostedt <rostedt@goodmis.org>
Link: http://lkml.kernel.org/r/1337677434-4881-2-git-send-email-namhyung.kim@lge.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Change some variable names according to new library name.
Signed-off-by: Namhyung Kim <namhyung.kim@lge.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Steven Rostedt <rostedt@goodmis.org>
Link: http://lkml.kernel.org/r/1337677434-4881-1-git-send-email-namhyung.kim@lge.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
While migrating to the libtraceevent, the perl scripting engine
missed this structure rename.
This fixes:
util/scripting-engines/trace-event-perl.c: In function "find_cache_event":
util/scripting-engines/trace-event-perl.c:244: error: assignment from incompatible pointer type
util/scripting-engines/trace-event-perl.c:248: error: dereferencing pointer to incomplete type
util/scripting-engines/trace-event-perl.c:248: error: dereferencing pointer to incomplete type
util/scripting-engines/trace-event-perl.c:250: error: dereferencing pointer to incomplete type
util/scripting-engines/trace-event-perl.c: In function "perl_process_tracepoint":
util/scripting-engines/trace-event-perl.c:286: error: dereferencing pointer to incomplete type
util/scripting-engines/trace-event-perl.c:286: error: dereferencing pointer to incomplete type
util/scripting-engines/trace-event-perl.c:307: error: dereferencing pointer to incomplete type
util/scripting-engines/trace-event-perl.c: In function "perl_generate_script":
util/scripting-engines/trace-event-perl.c:498: error: passing argument 1 of "trace_find_next_event" from incompatible pointer type
util/scripting-engines/../trace-event.h:56: note: expected "struct event_format *" but argument is of type "struct event *"
util/scripting-engines/trace-event-perl.c:498: error: assignment from incompatible pointer type
util/scripting-engines/trace-event-perl.c:499: error: dereferencing pointer to incomplete type
util/scripting-engines/trace-event-perl.c:499: error: dereferencing pointer to incomplete type
util/scripting-engines/trace-event-perl.c:513: error: dereferencing pointer to incomplete type
util/scripting-engines/trace-event-perl.c:532: error: dereferencing pointer to incomplete type
util/scripting-engines/trace-event-perl.c:556: error: dereferencing pointer to incomplete type
util/scripting-engines/trace-event-perl.c:569: error: dereferencing pointer to incomplete type
util/scripting-engines/trace-event-perl.c:570: error: dereferencing pointer to incomplete type
util/scripting-engines/trace-event-perl.c:579: error: dereferencing pointer to incomplete type
util/scripting-engines/trace-event-perl.c:580: error: dereferencing pointer to incomplete type
Reported-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Frederic Weisbecker <fweisbec@redhat.com>
Cc: Frederic Weisbecker <fweisbec@redhat.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Namhyung Kim <namhyung.kim@lge.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Tom Zanussi <tzanussi@gmail.com>
Link: http://lkml.kernel.org/r/1337697049-30251-2-git-send-email-fweisbec@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Handle the print argument types brought by the new libparsevent in perl
scripting engine.
PRINT_BSTRING and PRINT_DYNAMIC_ARRAY are treated just like strings
and thus don't require specific processing.
But PRINT_FUNC need specific plugins which are not yet handled, lets
warn if we meet this case.
This fixes:
util/scripting-engines/trace-event-perl.c: In function define_event_symbol:
util/scripting-engines/trace-event-perl.c:188: error: enumeration value PRINT_BSTRING not handled in switch
util/scripting-engines/trace-event-perl.c:188: error: enumeration value PRINT_DYNAMIC_ARRAY not handled in switch
util/scripting-engines/trace-event-perl.c:188: error: enumeration value PRINT_FUNC not handled in switch
Reported-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Frederic Weisbecker <fweisbec@redhat.com>
Cc: Frederic Weisbecker <fweisbec@redhat.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Namhyung Kim <namhyung.kim@lge.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Tom Zanussi <tzanussi@gmail.com>
Link: http://lkml.kernel.org/r/1337697049-30251-1-git-send-email-fweisbec@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Adding a new hardcoded term 'name' allowing to specify a name for the
pmu event. The term is defined along with standard pmu terms. If no
'name' term is given, the event name follows following template:
"raw 0x<perf_event_attr::config>"
running:
perf stat -e cpu/config=1,name=krava1/u ls
will produce following output:
...
Performance counter stats for 'ls':
0 krava1
...
running:
perf stat -e cpu/config=1/u ls
will produce following output:
...
Performance counter stats for 'ls':
0 raw 0x1
...
Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
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/1337584373-2741-6-git-send-email-jolsa@redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Separating 'mem:' scanner processing, so we can parse out modifier
specifically and dont clash with other rules.
This is just precaution for the future, so we dont need to worry about
the rules clashing where we need to parse out any sub-rule of global
rules.
Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
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/1337584373-2741-5-git-send-email-jolsa@redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Switch from using static temporary event list into dynamically allocated
one. This way we dont need to pass temp list to the parse_events_parse
which makes the interface more clear.
Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
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/1337584373-2741-4-git-send-email-jolsa@redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Adding PARSER_DEBUG Makefile variable to enable building event scanner/
parser with debug enabled. This results in verbose output right out of
the scanner/parser.
It's useful for debuging the event parser. Keeping this only for event
parser so far.
Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
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/1337584373-2741-3-git-send-email-jolsa@redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Moving event parsing specific tests into separated file:
util/parse-events-test.c
Also changing the code a bit to ease running separate tests.
Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
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/1337584373-2741-2-git-send-email-jolsa@redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
On IT8782F, temp3 is only supported if UART6 is disabled.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Jean Delvare <khali@linux-fr.org>
Add support for the Texas Instruments INA219 and INA226 power monitors.
Signed-off-by: Lothar Felten <l-felten@ti.com>
[guenter.roeck@ericsson.com: formatting cleanup; check for smbus word data;
select PGA=8 for INA219]
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
At present reserving the IRLs in the IRQ bitmap in addition to the
dropping of the legacy IRQ pre-allocation prevent IRL IRQs from being
allocated for the x3proto board.
The only reason to permit reservations was to lock down possible hardware
vectors prior to dynamic IRQ scanning, but this doesn't matter much given
that the hardware controller configuration is sorted before we get around
to doing any dynamic IRQ allocation anyways. Beyond that, all of the
tables are __init annotated, so quite a bit more work would need to be
done to support reconfiguring things like IRL controllers on the fly,
much more than would ever make it worth the hassle.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
The omapdrm driver uses this for setting per-overlay rotation. It
is likely also useful for setting YUV->RGB colorspace conversion
matrix, etc.
Signed-off-by: Rob Clark <rob@ti.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
A bitmask property is similar to an enum. The enum value is a bit
position (0-63), and valid property values consist of a mask of
zero or more of (1 << enum_val[n]).
[airlied: 1LL -> 1ULL]
Signed-off-by: Rob Clark <rob@ti.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
* 'exynos-drm-next' of git://git.infradead.org/users/kmpark/linux-samsung:
drm/exynos: add G2D driver
drm/exynos: added vp scaling feature for hdmi
drm/exynos: added source size to overlay structure
drm/exynos: add additional display mode for hdmi
drm/exynos: enable dvi mode for dvi monitor
drm/exynos: fixed wrong pageflip finish event for interlace mode
drm/exynos: add PM functions for hdmi and mixer
drm/exynos: add dpms for hdmi
drm/exynos: use threaded irq for hdmi hotplug
drm/exynos: use platform_get_irq_byname for hdmi
drm/exynos: cleanup for hdmi platform data
drm/exynos: added a feature to get gem buffer information.
drm/exynos: added drm prime feature.
drm/exynos: added cache attribute support for gem.
vgaarb: Provide dummy default device functions
Drivers for hardware without gamma support should not be forced to
implement a no-op gamma set operation.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Rob Clark <rob.clark@linaro.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
The DRM mode config functions structure declared by drivers and pointed
to by the drm_mode_config funcs field is never modified. Make it a const
pointer.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Inki Dae <inki.dae@samsung.com>
Cc: Alan Cox <alan@linux.intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Ben Skeggs <bskeggs@redhat.com>
Cc: Thomas Hellstrom <thellstrom@vmware.com>
Cc: Rob Clark <rob.clark@linaro.org>
Reviwed-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
The GEM vm operations structure is passed to the VM core that stores it
in a const field. There vm operations structures can thus be const in
DRM as well.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Inki Dae <inki.dae@samsung.com>
Cc: Alan Cox <alan@linux.intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Rob Clark <rob.clark@linaro.org>
Reviewed-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
A race condition exists in drm_vblank_cleanup() if the vblank disable
timer callback runs after freeing the memory that its callback function
tries to access. Fix this by deleting the timer synchronously.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
The power field was never correctly initialized.
[airlied: just took the two drm specific bits]
Signed-off-by: Corentin Chary <corentin.chary@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Adam Jackson <ajax@redhat.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Low four bits are downstream port count. High bit indicates peer OUI
support. OUI matching will allow us to do additional per-sink handling
for things like DP->VGA bandwidth limits or (hopefully) the iMac-as-
display hack.
Signed-off-by: Adam Jackson <ajax@redhat.com>
Reviewed-by: Jerome Glisse <jglisse@redhat.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
DisplayPort has an escape hatch by which sources and sinks can identify
each other. We would prefer not to notice this, but I suspect we're
going to need to.
Signed-off-by: Adam Jackson <ajax@redhat.com>
Reviewed-by: Jerome Glisse <jglisse@redhat.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Poulsbo needs a physical address in the cursor base register. We allocate a
stolen memory buffer and copy the cursor image provided by userspace into it.
When/If we get our own userspace driver we can map this stolen memory directly.
The patch also adds a mark in chip ops so we can identify devices that has this
requirement.
Signed-off-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Some devices don't have a panel connected to LVDS and thus will never power up.
This patch checks the power sequence progress bits in PP_STATUS to prevent an
endless loop on such devices.
Signed-off-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This seems to be wrong to me, spotted while thinking about dma-buf.
Reviewed-by: Ben Skeggs <bskeggs@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
This is a partial revert of
15ed103a98 ("edac: Fix spelling errors")
6997991ab0 ("mips: Fix printk typos in arc/mips")
which change code that doesn't exist any more in edac/mips trees.
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
setting CONFIG_IRQ_ALL_CPUS distributes IRQs to CPUs only when
the number of online CPUs equals NR_CPUS. See commit
280ff97494 "sparc64: fix and
optimize irq distribution" for more details.
Using the online mask fixes IRQ-to-CPU distribution on systems
that boot with less than NR_CPUS.
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This reverts commit 1b788400bb.
It causes oopses when passed incorrect arguments and has a
design fault using IPIs with interrupts disabled.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
Add a README that explains what the different example configs in the
ktest example directory are about.
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
I used the snowball.conf in a live demo that demonstrated how to use
ktest.pl with a snowball ARM board. I've been asked to included that
config in the ktest repository.
Here it is.
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Add the config that I use to test several archs. I downloaded several
cross compilers from:
http://kernel.org/pub/tools/crosstool/files/bin/x86_64/
and this config is an example to crosscompile several archs to make sure
that your changes do not break archs that you are not working on.
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
I've been asked several times to provide more useful example configs for
ktest.pl, as the sample.conf is too complex (because it explains all
configs). This adds configs broken up by use case, and these configs are
based on actual configs that I use on a daily basis.
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
If the file that OUTPUT_MIN_CONFIG exists then ktest.pl will prompt the
user and ask them if the OUTPUT_MIN_CONFIG should be used as the
starting point for make_min_config instead of MIN_CONFIG.
This is usually the case, and to allow the user to do so, which is
helpful if the user is creating different min configs based on tests,
and they know one is a superset of another test, they can set
USE_OUTPUT_MIN_CONFIG to one, which will prevent kest.pl from prompting
to use the OUTPUT_MIN_CONFIG and it will just use it.
If USE_OUTPUT_MIN_CONIFG is set to zero, then ktest.pl will continue to
use MIN_CONFIG instead.
The default is that USE_OUTPUT_MIN_CONFIG is undefined.
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Jiri Olsa
Anshuman Khandual
Linus Torvalds
Namhyung Kim
Frederic Weisbecker
Guenter Roeck
Felten, Lothar
Paul Mundt
Rob Clark
Dave Airlie
Laurent Pinchart
Jiri Kosina
Corentin Chary
Adam Jackson
Alan Cox
Patrik Jakobsson
Rafał Miłecki
Kim Phillips
Benjamin Herrenschmidt
Steven Rostedt