Make 'overwrite' a channel configuration other than a evlist global
option. With this setting an evlist can have two channels, one is
normal channel, another is overwritable channel.
perf_evlist__channel_for_evsel() ensures events with 'overwrite'
configuration inserted to overwritable channel.
Si
Hi Arnaldo,
I change all 'maps:' to 'map:' in examples in commit messages and
rebase this patch set onto your newest perf/core.
The following changes since commit 9dd130f324b9ba2c7cf9292d5addb1aef100e751:
perf tools: Remove duplicate typedef config_term_func_t definition
(2016-02-19 19:51:1
Users can pass options to tracepoints defined in the BPF script.
For example:
# perf record -e ./test.c/no-inherit/ bash
# dd if=/dev/zero of=/dev/null count=1
# exit
[ perf record: Woken up 1 times to write data ]
[ perf record: Captured and wrote 0.022 MB perf.data (139 samples) ]
(no
On Sat, 2016-02-20 at 12:00 +0100, Mathieu OTHACEHE wrote:
> Add support for :
>
> - CP-102E: 2 ports RS232 PCIE card
> - CP-102EL: 2 ports RS232 PCIE card
> - CP-132EL: 2 ports RS422/485 PCIE card
> - CP-114EL: 4 ports RS232/422/485 PCIE card
> - CP-104EL-A: 4 ports RS232 PCIE card
> - CP-168EL-A
This patch allows following config terms and option:
# perf record --overwrite ...
Globally set following events to overwrite;
# perf record --event cycles/overwrite/ ...
# perf record --event cycles/no-overwrite/ ...
Set specific events to be overwrite or no-overwrite.
Signed-off-by: Wa
Commit a43eec304259a6c637f4014a6d4767159b6a3aa3 (bpf: introduce
bpf_perf_event_output() helper) add a helper to enable BPF program
output data to perf ring buffer through a new type of perf event
PERF_COUNT_SW_BPF_OUTPUT. This patch enable perf to create perf
event of that type. Now perf user can u
With 'perf record --switch-output' without -a, record__synthesize() in
record__switch_output() won't generate tracking events because there's
no thread_map in evlist. Which causes newly created perf.data doesn't
contain map and comm information.
This patch creates a fake thread_map and directly ca
Add new ioctl() to pause/resume ring-buffer output.
In some situations we want to read from ring buffer only when we
ensure nothing can write to the ring buffer during reading. Without
this patch we have to turn off all events attached to this ring buffer
to achieve this.
This patch is for suppor
This patch introduces a new syntax to perf event parser:
# perf record -e './test_bpf_map_3.c/map:channel.value[0,1,2,3...5]=101/'
usleep 2
By utilizing the basic facilities in bpf-loader.c which allow setting
different slots in a BPF map separately, the newly introduced syntax
allows perf to c
Allow 'perf record' splits its output into multiple files.
For example:
# ~/perf record -a --timestamp-filename --switch-output &
[1] 10763
# kill -s SIGUSR2 10763
[ perf record: dump data: Woken up 1 times ]
# [ perf record: Dump perf.data.2015122622314468 ]
# kill -s SIGUSR2 10763
[ per
auxtrace_snapshot_enable has only two states (0/1). Turns it into a
triple states enum so SIGUSR2 handler can safely do other works without
triggering auxtrace snapshot.
Signed-off-by: Wang Nan
Signed-off-by: He Kuang
Cc: Arnaldo Carvalho de Melo
Cc: Jiri Olsa
Cc: Masami Hiramatsu
Cc: Namhyun
record__mmap_read() write data from ring buffer into perf.data.
'head' is maintained by kernel, points to the last writtend record.
'old' is maintained by perf, points to the record read in previous
round. record__mmap_read() saves data from 'old' to 'head' to
perf.data. The naming of variables are
On Mon, Feb 22, 2016 at 08:34:19AM +1100, Dave Chinner wrote:
> On Fri, Feb 19, 2016 at 04:10:45PM -0500, Waiman Long wrote:
> > +/*
> > + * Superblock's inode list iterator function and arguments macros
> > + */
> > +#define SB_INODES_ITER_FUNC(name, lock, struct_fields)
> > \
In this commit sereval helpers are introduced to support the principle
of channel. Channels hold different groups of evsels which configured
differently. It will be used for overwritable evsels, which allows perf
record some events continuously while capture snapshot for other events
when something
write_backward attribute makes kernel filling ring buffer from the end
of it, makes reading from overwrite ring buffer possible.
This patch select this attribute if evsel->overwrite is selected
explicitly by user.
Overwrite and write_backward are still controled separatly for legacy
readonly mmap
Create record__synthesize(). It can be used to create tracking events
for each perf.data after perf supporting splitting into multiple
outputs.
Signed-off-by: Wang Nan
Signed-off-by: He Kuang
Cc: Arnaldo Carvalho de Melo
Cc: Jiri Olsa
Cc: Masami Hiramatsu
Cc: Namhyung Kim
Cc: Zefan Li
Cc: p
Set a default event->overflow_handler in perf_event_alloc() so don't
need checking event->overflow_handler in __perf_event_overflow().
Following commits can give a different default overflow_handler.
No extra performance introduced into hot path because in the original
code we still need reading t
When record__mmap_read() requires data more than the size of ring
buffer, drop those data to avoid accessing invalid memory.
This can happen when reading from overwritable ring buffer, which
should be avoided. However, check this for robustness.
Signed-off-by: Wang Nan
Signed-off-by: He Kuang
C
Reading from a overwrite ring buffer is unrelible.
perf_evlist__channel_toggle_paused() should be called before
reading from them.
Toggel overwrite_evt_paused director after receiving done or switch
output.
Signed-off-by: Wang Nan
Signed-off-by: He Kuang
Cc: Arnaldo Carvalho de Melo
Cc: Jiri O
perf_evlist__channel_find() can be used to find a proper channel based
on propreties of a evsel. If the channel doesn't exist, it can create
new one for it. After this patch there's no need to create default
channel explicitly.
Signed-off-by: Wang Nan
Signed-off-by: He Kuang
Cc: Arnaldo Carvalho
perf_data_file__switch() closes current output file, renames it, then
open a new one to continue record. It will be used by perf record
to split output into multiple perf.data files.
Signed-off-by: Wang Nan
Signed-off-by: He Kuang
Cc: Arnaldo Carvalho de Melo
Cc: Jiri Olsa
Cc: Masami Hiramatsu
On 11/19/2015 09:22 AM, Michael Hennerich wrote:
On 11/18/2015 05:16 PM, Dan Bogdan Nechita wrote:
Currently writing the attributes with "echo" will result in comparing:
"enabled\n" with "enabled\0" and attribute is always set to false.
Use the sysfs_streq() instead because it treats both NUL a
perf_evlist__channel_toggle_paused() is introduced to pause/resume a
channel in an evlist. Utilize PERF_EVENT_IOC_PAUSE_OUTPUT ioctl.
Following commits use perf_evlist__channel_toggle_paused() to ensure
overwrite ring buffer is turned off before reading.
Signed-off-by: Wang Nan
Signed-off-by: He
This options append current timestamp to output. For example:
# perf record -a --timestamp-filename
^C[ perf record: Woken up 1 times to write data ]
[ perf record: Dump perf.data.2015122622265847 ]
[ perf record: Captured and wrote 0.742 MB perf.data (90 samples) ]
# ls
perf.data.2015122622
is_pos only useful for tracking events (fork, mmap, exit, ...).
Perf collects those events through evsel with 'tracking' set.
Therefore, there's no need to validate every is_pos against
evlist->is_pos.
This patch is required after perf support PERF_SAMPLE_TAILSIZE.
Since there an extra u64 at the
Hi Stephen,
On Mon, Feb 22, 2016 at 01:28:29PM +1100, Stephen Rothwell wrote:
> Today's linux-next merge of the kvm-arm tree got a conflict in:
>
> arch/arm64/include/asm/cpufeature.h
> arch/arm64/kernel/cpufeature.c
>
> between commit:
>
> d5370f754875 ("arm64: prefetch: add alternative
This patch adds the final step for BPF map configuration. A new syntax
is appended into parser so user can config BPF objects through '/' '/'
enclosed config terms.
After this patch, following syntax is available:
# perf record -e ./test_bpf_map_1.c/map:channel.value=10/ ...
It would takes effe
By creating onward and backward specific overflow handlers and setting
them according to event's backward setting, normal sampling events
don't need checking backward setting of an event any more.
This is the last patch of backward writing patchset. After this patch,
there's no extra overhead intr
Signed-off-by: Alessio Igor Bogani
---
arch/powerpc/Makefile| 10 +
arch/powerpc/configs/86xx-hw.config | 106 ++
arch/powerpc/configs/86xx-smp.config | 2 +
arch/powerpc/configs/86xx/gef_ppc9a_defconfig| 234
On Mon, 2016-02-22 at 12:10 +0900, Mark Brown wrote:
> On Mon, Feb 22, 2016 at 04:47:06AM +0300, Sergei Ianovich wrote:
> > ICP DAS LP-8841 contains a DS-1302 RTC. This driver provides an SPI
> > master which makes the RTC usable. The driver is not supposed to
> > work
> > with anything else.
>
>
On Mon, Feb 22, 2016 at 01:33:22PM +1100, Stephen Rothwell wrote:
> Today's linux-next merge of the kvm-arm tree got a conflict in:
>
> arch/arm64/kvm/hyp.S
>
> between commit:
>
> a0bf9776cd0b ("arm64: kvm: deal with kernel symbols outside of linear
> mapping")
>
> from the arm64 tree and
On Fri, 2016-02-19 at 20:20 -0500, Jessica Yu wrote:
> Hi,
>
> This patch adds support for the '%[' conversion specifier for
> sscanf().
> Since functions that calculate substring lengths based on accepted or
> rejected characters already exist in the kernel (namely strspn() and
> strcspn()), it's
This patch show how defconfigs appear if the kconfig fragment approach is
used.
Signed-off-by: Alessio Igor Bogani
---
v1 -> v2
Split changes in two patches as suggested by Scott Wood
arch/powerpc/configs/86xx/gef_ppc9a_defconfig| 208 +++---
arch/powerpc/configs/86xx/gef_sb
From: Michael Hennerich
Fix RDAC read back errors caused by a typo. Value must shift by 2.
Fixes: a4bd394956f2 ("drivers/misc/ad525x_dpot.c: new features")
Signed-off-by: Michael Hennerich
---
drivers/misc/ad525x_dpot.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/driver
He Kuang reported a problem that perf fails to get correct symbol on
Android platform in [1]. The problem can be reproduced on normal x86_64
platform. I will describe the reproducing steps in detail at the end of
commit message.
The reason of this problem is the missing of symbol adjustment for no
bpf_perf_event_output() outputs data through sample->raw_data. This
patch adds support to convert those data into CTF. A python script
then can be used to process output data from BPF programs.
Test result:
# cat ./test_bpf_output_2.c
/ BEGIN **/
This patch introduces basic facilities to support config different
slots in a BPF map one by one.
array.nr_ranges and array.ranges are introduced into 'struct
parse_events_term', where ranges is an array of indices range (start,
length) which will be configured by this config term. nr_ranges
is th
Detect avalibility of write_backward and save the result into
record_opts. With write_backward the start pointer of a ring
buffer mapped read only can be found reliably.
Signed-off-by: Wang Nan
Signed-off-by: He Kuang
Cc: Arnaldo Carvalho de Melo
Cc: Jiri Olsa
Cc: Masami Hiramatsu
Cc: Namhyun
Below is the list of build error/warning regressions/improvements in
v4.5-rc5[1] compared to v4.4[2].
Summarized:
- build errors: +22/-23
- build warnings: +169/-169
JFYI, when comparing v4.5-rc5[1] to v4.5-rc4[3], the summaries are:
- build errors: +22/-17
- build warnings: +93/-115
Not
> > > Pali's point about documenting the hardcoded values and eliminating the
> > > code
> > > duplication with a function (inline) is a good one.
> >
> > I plan to only put a comment next to 0x51534554 as 0x1 is apparently
> > just something pulled out of a hat (as the link provided in the c
Add a fd field into perf_mmap so perf can backtrack the fd from mmap.
This feature will be used to toggle overwrite ring buffers.
Signed-off-by: Wang Nan
Signed-off-by: He Kuang
Cc: Arnaldo Carvalho de Melo
Cc: Jiri Olsa
Cc: Masami Hiramatsu
Cc: Namhyung Kim
Cc: Zefan Li
Cc: pi3or...@163.co
On 19/02/16 23:14, Rafael J. Wysocki wrote:
> On Friday, February 19, 2016 08:09:17 AM Juri Lelli wrote:
> > Hi Rafael,
> >
> > On 18/02/16 21:22, Rafael J. Wysocki wrote:
> > > On Mon, Feb 15, 2016 at 10:47 PM, Rafael J. Wysocki
> > > wrote:
> > > > From: Rafael J. Wysocki
> > > >
> >
> > [..
On Mon, Feb 22, 2016 at 10:30 AM, Geert Uytterhoeven
wrote:
> JFYI, when comparing v4.5-rc5[1] to v4.5-rc4[3], the summaries are:
> - build errors: +22/-17
+ /home/kisskb/slave/src/include/linux/workqueue.h: error:
dereferencing type-punned pointer will break strict-aliasing rules
[-Werror=st
If write_backward attribute is set, records are written into kernel
ring buffer from end to beginning, but read from beginning to end.
To avoid 'XX out of order events recorded' warning message (timestamps
of records is in reverse order when using write_backward), suppress the
warning message if wr
A new syntax is appended into parser so user can pass predefined perf
events into BPF objects.
After this patch, BPF programs for perf are finally able to utilize
bpf_perf_event_read() introduced in commit 35578d7984003097af2b1e3
(bpf: Implement function bpf_perf_event_read() that get the selected
After babeltrace commit 5cec03e402aa ("ir: copy variants and
sequences when setting a field path"), 'perf data convert' gets
incorrect result if there's bpf output data. For example:
# perf data convert --to-ctf ./out.ctf
# babeltrace ./out.ctf
[10:44:31.186045346] (+?.?) evt: { cpu_id
Hi,
This fixes the issue for my machine, we'll try in our CI system, too.
CC'd Daniel for that. By R-b and T-b below.
On ma, 2016-02-22 at 10:27 +0530, Viresh Kumar wrote:
> The intel-pstate driver is using intel_pstate_hwp_set() from two
> separate paths, i.e. ->set_policy() callback and sysfs
Before this patch tracking events are generated based on information in
/proc before all samples. However, with the introducing of overwrite
evsel in perf record, it becomes inconvenience: 'perf record' now can
executed as a daemon for sereval hours and only capture the last
snapshot when it receiv
Introduce rb_find_range() to find start and end position from a backward
ring buffer.
Signed-off-by: Wang Nan
Signed-off-by: He Kuang
Cc: Arnaldo Carvalho de Melo
Cc: Jiri Olsa
Cc: Masami Hiramatsu
Cc: Namhyung Kim
Cc: Zefan Li
Cc: pi3or...@163.com
---
tools/perf/builtin-record.c | 69
Tracking events describe kernel and threads. They are generated by
reading /proc/kallsyms, /proc/*/maps and /proc/*/task/* during
initialization of 'perf record', serialized into event sequences and put
at the head of 'perf.data'. In case of output switching, each output
file should contain those e
There's no need to receive events from overwrite ring buffer. Instead,
perf should make them run background until something happen. This patch
makes events from overwrite ring buffer is ignored except POLLERR and
POLLHUP.
Signed-off-by: Wang Nan
Signed-off-by: He Kuang
Cc: Arnaldo Carvalho de Me
bpf__apply_obj_config() is introduced as the core API to apply object
config options to all BPF objects. This patch also does the real work
for setting values for BPF_MAP_TYPE_PERF_ARRAY maps by inserting value
stored in map's private field into the BPF map.
This patch is required because we are n
In perf_event_attr a new bit 'write_backward' is appended to indicate
this event should write ring buffer from its end to beginning.
In perf_output_begin(), prepare ring buffer according this bit.
This patch introduces small overhead into perf_output_begin():
an extra memory read and a conditiona
On Tuesday 02 February 2016 06:13 PM, Peter Ujfalusi wrote:
> +static const struct dma_slave_map da850_edma1_map[] = {
> + { "da830-mmc.1", "rx", EDMA_FILTER_PARAM(0, 28) },
> + { "da830-mmc.1", "tx", EDMA_FILTER_PARAM(0, 29) },
This should be EDMA_FILTER_PARAM(1, 29) (and similar for rx)
Move code for finalizing 'perf.data' to record__finish_output(). It
will be used by following commits to split output to multiple files.
Signed-off-by: Wang Nan
Signed-off-by: He Kuang
Cc: Arnaldo Carvalho de Melo
Cc: Jiri Olsa
Cc: Masami Hiramatsu
Cc: Namhyung Kim
Cc: Zefan Li
Cc: pi3or...
In this patch, the offset of '.text' section is stored into dso
and used here to re-calculate address to objdump.
In most of the cases, executable code is in '.text' section, so the
adjustment made to a symbol in dso__load_sym (using
sym.st_value -= shdr.sh_addr - shdr.sh_offset) should equal to
'
ordered_events__free() leaves linked lists and timestamps not cleared,
so unable to be reused after ordered_events__free(). Which is inconvenient
after 'perf record' supports generating multiple perf.data output and
process build-ids for each of them.
Calls ordered_events__init() in ordered_events
bpf__config_obj() is introduced as a core API to config BPF object after
loading. One configuration option of maps is introduced. After this
patch BPF object can accept assignments like:
map:my_map.value=1234
(map.my_map.value looks pretty. However, there's a small but hard to
fix problem relat
ICP DAS LP-8841 contains a DS-1302 RTC. This driver provides an SPI
master which makes the RTC usable. The driver is not supposed to work
with anything else.
The driver uses the standard MicroWire half-duplex transfer timing.
Master output is set on low clock and sensed by the RTC on the rising
ed
On Sat 20-02-16 11:32:07, Tetsuo Handa wrote:
> Michal Hocko wrote:
> > On Wed 17-02-16 10:48:55, Michal Hocko wrote:
> > > Hi Andrew,
> > > although this can be folded into patch 5
> > > (mm-oom_reaper-implement-oom-victims-queuing.patch) I think it would be
> > > better to have it separate and re
Hi Rafael,
On 19/02/16 23:26, Rafael J. Wysocki wrote:
> On Friday, February 19, 2016 05:26:04 PM Juri Lelli wrote:
> > Hi Srinivas,
> >
> > On 19/02/16 08:42, Srinivas Pandruvada wrote:
> > > On Fri, 2016-02-19 at 08:09 +, Juri Lelli wrote:
> > > Hi Juri,
> > > > >
> > > > Hi Rafael,
> > >
On Mon, Feb 22, 2016 at 1:17 AM, Wolfram Sang wrote:
> On Thu, Feb 18, 2016 at 05:53:05PM +0200, Daniel Baluta wrote:
>> Sending this as an RFC because I don't know if style fixes are appropriate
>> for this driver and also not sure if deadlock fix is the best solution.
>>
>> I2C people should onl
On Tue, 2015-15-12 at 14:24:14 UTC, Boqun Feng wrote:
> Some architectures may have their special barriers for acquire, release
> and fence semantics, so that general memory barriers(smp_mb__*_atomic())
> in the default __atomic_op_*() may be too strong, so allow architectures
> to define their own
Copied netdev as that is the more appropriate mailling list for
questions like this.
Xianpeng Zhao writes:
> Hi Group,
>
> I have find a problem in my system, I found there have a chance that
> cause the system enter dead loop when try to get the rtnl lock in the sysctl
> function in
On Fri, Feb 19, 2016 at 04:07:02PM -0800, Shi, Yang wrote:
> Any comment on this one?
I don't really see the point in it, to be honest. Relying on implicit
#includes is usually a bad idea, there are other files in the kernel
including both of these headers and there's not actually a problem to
fix
On Thu, Feb 18, 2016 at 11:45 PM, Paul Bolle wrote:
> Dmitry,
>
> On ma, 2016-02-15 at 11:42 +0100, Dmitry Vyukov wrote:
>> When I am running the following program in a parallel loop, kmemleak
>> starts reporting memory leaks of objects allocated in
>> tty_register_driver during boot.
>
> Because
Hi Paul,
On Monday 22 February 2016 12:01 PM, Paul Walmsley wrote:
> Kishon,
>
> On Mon, 22 Feb 2016, Kishon Vijay Abraham I wrote:
>
>> Sekhar,
>>
>> On Thursday 18 February 2016 07:51 PM, Sekhar Nori wrote:
>>> On Friday 12 February 2016 10:50 PM, Suman Anna wrote:
Sekhar,
Will you b
On Tuesday 02 February 2016 06:13 PM, Peter Ujfalusi wrote:
> Provide the dma_slave_map to edma which will allow us to move the drivers
> to the new, simpler dmaengine API and we can remove the DMA resources also
> for the devices.
>
> Signed-off-by: Peter Ujfalusi
> FIX: dm365
dropped this "no
SeongJae Park wrote:
> a = 0;
> /* Code that does not store to variable a. */
> + does_not_change_a();
> a = 0;
Since it's not actually code that's meant to be executed, you could make it:
a = 0;
... code that does not store to variable a ...
a = 0;
David
I would like to make another point about why I am making this change
in case it is not clear. The queue full events are form
TRANS_TX_CREDIT_TIMEOUT_ERR and TRANS_TX_CLOSE_NORMAL_ERR errors in
the slot: I want the slot retried when this occurs, so I set status
as SAS_QUEUE_FULL just so we will r
Hi Jiancheng,
[auto build test WARNING on clk/clk-next]
[also build test WARNING on v4.5-rc5 next-20160222]
[if your patch is applied to the wrong git tree, please drop us a note to help
improving the system]
url:
https://github.com/0day-ci/linux/commits/Jiancheng-Xue/ARM-hisi-Add-initial
On 22/02/16 05:32, Bjorn Andersson wrote:
On certain platforms (e.g. ARM64) the dma_ops needs to be explicitly set
to be able to do DMA allocations, so use the of_dma_configure() helper
to populate the dma properties and assign an appropriate dma_ops.
Signed-off-by: Bjorn Andersson
---
driv
Hello,
The following program causes memory leak of 6 objects allocated in mkiss_open:
// autogenerated by syzkaller (http://github.com/google/syzkaller)
#include
#include
#include
#include
#include
#include
int main(int argc, char **argv)
{
int fd, val;
fd = open("/dev/ptmx", O_RDWR);
On Monday 22 February 2016 03:28 PM, Sekhar Nori wrote:
> On Tuesday 02 February 2016 06:13 PM, Peter Ujfalusi wrote:
>> Provide the dma_slave_map to edma which will allow us to move the drivers
>> to the new, simpler dmaengine API and we can remove the DMA resources also
>> for the devices.
>>
>>
if CONFIG_TRACE_IRQFLAGS opened, we got that warning:
[ 214.078880] [ cut here ]
[ 214.083521] WARNING: CPU: 4 PID: 1 at kernel/locking/lockdep.c:3557
check_flags.part.40+0x1c0/0x1d0()
[ 214.092778] DEBUG_LOCKS_WARN_ON(current->hardirqs_enabled)
[ 214.
Hello,
The following program causes a memory leak of an object allocated in
lapb_register:
// autogenerated by syzkaller (http://github.com/google/syzkaller)
#include
#include
#include
#include
#include
#include
int main(int argc, char **argv)
{
int fd, val;
fd = open("/dev/ptmx", O_R
Hi!
> Every time I initiate a suspend (systemctl suspend) the machine hangs
> at resume unless I unload the jme driver.
It seems to have some kind of suspend/resume support. ... and it is
rather complex.
Maybe jme_start_irq(jme) should be moved to the end of jme_resume
function?
> > S
On Fri, 2016-02-19 at 20:22 -0500, Jessica Yu wrote:
> Implement basic character sets for the '%[]' conversion specifier.
>
> The '%[]' conversion specifier matches a nonempty sequence of
> characters
> from the specified set of accepted (or with '^', rejected) characters
> between the brackets. T
On 02/19/2016 08:00 PM, Paolo Bonzini wrote:
On 14/02/2016 12:31, Xiao Guangrong wrote:
Changelong in v3:
- refine the code of mmu_need_write_protect() based on Huang Kai's suggestion
- rebase the patchset against current code
Changelog in v2:
- fix a issue that the track memory of memslot
Fixed a coding style issue.
Signed-off-by: Philippe Loctaux
---
fs/btrfs/disk-io.c | 12 ++--
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 4545e2e..84cbf16 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -1908,11
Hi Kumar,
> -Original Message-
> From: linux-pm-ow...@vger.kernel.org [mailto:linux-pm-
> ow...@vger.kernel.org] On Behalf Of Viresh Kumar
> Sent: Monday, February 22, 2016 12:58 PM
> To: Rafael Wysocki; Srinivas Pandruvada; Len Brown; Viresh Kumar
> Cc: linaro-ker...@lists.linaro.org; linu
Thanks for the review,
On 22/02/16 05:51, Bjorn Andersson wrote:
On Wed 10 Feb 03:36 PST 2016, Srinivas Kandagatla wrote:
Signed-off-by: Srinivas Kandagatla
---
arch/arm64/boot/dts/qcom/apq8016-sbc-soc-pins.dtsi | 15 ++
arch/arm64/boot/dts/qcom/apq8016-sbc.dtsi | 35 +
Hello,
The following program, if run in a parallel loop, leads to constant
memory growth.
// autogenerated by syzkaller (http://github.com/google/syzkaller)
#include
#include
#include
#include
#include
#include
int main(int argc, char **argv)
{
int fd, val;
fd = open("/dev/ptmx", O_RD
Hi Chen,
Am Montag, den 22.02.2016, 10:45 +0800 schrieb Chen Feng:
> Signed-off-by: Chen Feng
> Signed-off-by: Xinliang Liu
> ---
> drivers/reset/hisilicon/hi6220_reset.c | 122
> -
> 1 file changed, 90 insertions(+), 32 deletions(-)
>
> diff --git a/drivers/re
Am 2016-02-12 um 17:16 schrieb Takashi Iwai:
> On Fri, 12 Feb 2016 16:54:44 +0100,
> Martin Kepplinger wrote:
>>
>> Am 2016-02-12 um 14:49 schrieb Takashi Iwai:
>>> On Fri, 12 Feb 2016 14:09:36 +0100,
>>> Martin Kepplinger wrote:
Am 2016-02-11 um 10:06 schrieb Takashi Iwai:
> On Wed,
Added line after variable declaration, fixing checkpatch warning.
Signed-off-by: Philippe Loctaux
---
fs/btrfs/dir-item.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/fs/btrfs/dir-item.c b/fs/btrfs/dir-item.c
index 1752625..70c39a3 100644
--- a/fs/btrfs/dir-item.c
+++ b/fs/btrfs/dir-item.
On Mon, Feb 22, 2016 at 07:07:56AM +0100, Luis R. Rodriguez wrote:
> diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h
> index 1ae89a2721d6..fe0d579b63e3 100644
> --- a/arch/x86/include/asm/x86_init.h
> +++ b/arch/x86/include/asm/x86_init.h
> @@ -84,11 +84,14 @@ struct
With below serials, we will lose parts of dirents:
1) mount f2fs with inline_dentry option
2) echo 1 > /sys/fs/f2fs/sdX/dir_level
3) mkdir dir
4) touch 180 files named [1-180] in dir
5) touch 181 in dir
6) echo 3 > /proc/sys/vm/drop_caches
7) ll dir
ls: cannot access 2: No such file or directory
On 22/02/16 06:51, Alexander Stein wrote:
> On Saturday 20 February 2016 22:10:27, Colin King wrote:
>> From: Colin Ian King
>>
>> passing rtl_stats by value is inefficient; the structure is over 300
>> bytes in size and generally just one field (packet_report_type)
>> is being accessed, so the pa
With a partition which was formated as multi segments in one section,
we stated incorrectly for count of gc operation.
e.g., for a partition with segs_per_sec = 4
cat /sys/kernel/debug/f2fs/status
GC calls: 208 (BG: 7)
- data segments : 104 (52)
- node segments : 104 (24)
GC called count sh
On 20/02/16 00:04, Tony Lindgren wrote:
> * Roger Quadros [160219 13:27]:
>> Hi,
>>
>> @Tony
>> Patches 15 and 24 are new and will need your review.
>> I've modified patch 22 to include the new am335x boards introduced since
>> v4.4.
>>
>> Patches are based on top of omap-for-v4.6/dt so that the
This patch changes to show more info in message log about the recovery
of the corrupted superblock during ->mount, e.g. the index of corrupted
superblock and the result of recovery.
Signed-off-by: Chao Yu
---
fs/f2fs/super.c | 6 --
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git
On Mon, 22 Feb 2016 11:24:05 +0100,
Martin Kepplinger wrote:
>
> Am 2016-02-12 um 17:16 schrieb Takashi Iwai:
> > On Fri, 12 Feb 2016 16:54:44 +0100,
> > Martin Kepplinger wrote:
> >>
> >> Am 2016-02-12 um 14:49 schrieb Takashi Iwai:
> >>> On Fri, 12 Feb 2016 14:09:36 +0100,
> >>> Martin Kepplinge
When flushing node pages, if current node page is an inline inode page, we
will try to merge inline data from data page into inline inode page, then
skip flushing current node page, it will decrease the number of nodes to
be flushed in batch in this round, which may lead to worse performance.
This
This patch enables to trace old block address of CoWed page for better
debugging.
f2fs_submit_page_mbio: dev = (1,0), ino = 1, page_index = 0x1d4f0, oldaddr =
0xfe8ab, newaddr = 0xfee90 rw = WRITE_SYNC, type = NODE
f2fs_submit_page_mbio: dev = (1,0), ino = 1, page_index = 0x1d4f8, oldaddr =
0xfe
For now, flow of GCing an encrypted data page will be:
1) try to grab meta page in meta inode's mapping with index of old block
address of that data page
2) load data of ciphertext into meta page
3) allocate new block address
4) write the meta page into new block address
5) update block address poi
On Mon, Feb 22, 2016 at 12:40:54PM +0300, Sergei Ianovich wrote:
>* drop empty master->cleanup
You still have an empty remove() function.
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On (02/22/16 13:41), Minchan Kim wrote:
[..]
> > oh, sure.
> >
> > so let's keep dynamic page allocation out of sight for now.
> > I'll do more tests with the increase ORDER and if it's OK then
> > hopefully we can just merge it, it's quite simple and shouldn't
> > interfere with any of the change
On 19-02-16, 23:26, Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki
> Subject: [PATCH] cpufreq: Rework the scheduler hooks for triggering updates
>
> Commit fe7034338ba0 (cpufreq: Add mechanism for registering
> utilization update callbacks) added cpufreq_update_util() to be
> called by the sc
Hi Rob,
On Tuesday 05 January 2016 01:03 AM, John Crispin wrote:
> Add a driver to setup the USB phy on Mediatek/Ralink SoCs.
> The driver is trivial and only sets up power and host mode.
>
> Signed-off-by: John Crispin
> ---
> Changes in V2
> * remove refcounting
> * drop empty functions
> * do
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