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83eec5e6dd
linux/include/trace/events
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Hitoshi Mitake 83eec5e6dd nilfs2: add tracepoints for analyzing sufile manipulation 
This patch adds tracepoints which would be useful for analyzing segment
usage from a perspective of high level sufile manipulation (check, alloc,
free).  sufile is an important in-place updated metadata file, so
analyzing the behavior would be useful for performance turning.

example of usage (a case of allocation):

$ sudo bin/tpoint nilfs2:nilfs2_segment_usage_allocated
Tracing nilfs2:nilfs2_segment_usage_allocated. Ctrl-C to end.
        segctord-17800 [002] ...1 10671.867294: nilfs2_segment_usage_allocated: sufile = ffff880054f908a8 segnum = 2
        segctord-17800 [002] ...1 10675.073477: nilfs2_segment_usage_allocated: sufile = ffff880054f908a8 segnum = 3

Signed-off-by: Hitoshi Mitake <mitake.hitoshi@lab.ntt.co.jp>
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Benixon Dhas <benixon.dhas@wdc.com>
Cc: TK Kato <TK.Kato@wdc.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-11-06 17:50:42 -08:00
..
9p.h net/9p/tracing: Export enums in tracepoints to userspace 2015-04-08 09:39:59 -04:00
asoc.h ASoC: dapm: Consolidate path trace events 2015-08-13 12:40:16 +01:00
bcache.h bcache: fix crash in bcache_btree_node_alloc_fail tracepoint 2014-08-04 15:23:03 -07:00
block.h blktrace: fix accounting of partially completed requests 2014-03-05 16:11:21 -07:00
btrfs.h btrfs: qgroup: Cleanup the old ref_node-oriented mechanism. 2015-06-10 09:26:11 -07:00
clk.h clk: Add tracepoints for hardware operations 2015-03-12 12:18:51 -07:00
cma.h mm: cma: add trace events for CMA allocations and freeings 2015-04-15 16:35:19 -07:00
compaction.h mm, compaction: distinguish contended status in tracepoints 2015-11-05 19:34:48 -08:00
context_tracking.h context_tracking: User/kernel broundary cross trace events 2013-08-14 17:14:48 +02:00
ext4.h ext4: minor cleanup of ext4_da_reserve_space() 2015-06-21 21:37:05 -04:00
f2fs.h f2fs: add a tracepoint for f2fs_read_data_pages 2015-10-12 14:00:34 -07:00
fence.h fence: dma-buf cross-device synchronization (v18) 2014-07-08 12:18:56 -07:00
fib.h net: Make table id type u32 2015-09-01 14:32:44 -07:00
filelock.h locks: change tracepoint for generic_add_lease 2015-09-21 07:26:45 -04:00
filemap.h tracing, mm: Record pfn instead of pointer to struct page 2015-04-13 11:44:52 -03:00
gfpflags.h mm, page_alloc: distinguish between being unable to sleep, unwilling to sleep and avoiding waking kswapd 2015-11-06 17:50:42 -08:00
gpio.h
host1x.h gpu: host1x: Use struct host1x_bo pointers in traces 2014-11-13 16:11:32 +01:00
hswadsp.h Merge remote-tracking branches 'asoc/topic/ml26124', 'asoc/topic/of', 'asoc/topic/omap', 'asoc/topic/pxa' and 'asoc/topic/rcar' into asoc-next 2014-03-12 23:04:35 +00:00
i2c.h i2c: Add message transfer tracepoints for SMBUS [ver #2] 2014-03-13 22:15:07 +01:00
intel-sst.h tracing: Add TRACE_SYSTEM_VAR to intel-sst 2015-04-07 12:31:12 -04:00
iommu.h iommu: Change trace unmap api to report unmapped size 2015-01-19 15:19:31 +01:00
ipi.h tracepoint: add generic tracepoint definitions for IPI tracing 2014-08-07 20:40:40 -04:00
irq.h irq/tracing: Export enums in tracepoints to user space 2015-04-08 09:40:00 -04:00
jbd2.h
kmem.h tracing/mm: don't trace mm_page_pcpu_drain on offline cpus 2015-05-28 18:25:18 -07:00
kvm.h kvm: move new trace event outside #ifdef CONFIG_KVM_ASYNC_PF 2015-09-08 11:16:40 +02:00
libata.h libata: Add tracepoints 2015-03-27 11:59:22 -04:00
lock.h
mce.h
migrate.h mm: tracing: Export enums in tracepoints to user space 2015-04-08 09:40:01 -04:00
module.h tracing: %pF is only for function pointers 2015-03-25 08:57:22 -04:00
napi.h
net.h net: rename vlan_tx_* helpers since "tx" is misleading there 2015-01-13 17:51:08 -05:00
nilfs2.h nilfs2: add tracepoints for analyzing sufile manipulation 2015-11-06 17:50:42 -08:00
nmi.h x86: Add NMI duration tracepoints 2013-06-23 11:52:58 +02:00
oom.h
pagemap.h mm: pagemap: avoid unnecessary overhead when tracepoints are deactivated 2014-08-06 18:01:20 -07:00
power_cpu_migrate.h ARM: bL_switcher/trace: Add trace trigger for trace bootstrapping 2013-09-23 18:47:30 -04:00
power.h This patch series contains several clean ups and even a new trace clock 2015-06-26 14:02:43 -07:00
printk.h
random.h tracing: %pF is only for function pointers 2015-03-25 08:57:22 -04:00
rcu.h rcu: Apply rcu_seq operations to _rcu_barrier() 2015-07-17 14:58:57 -07:00
regulator.h
rpm.h
sched.h sched/core: Fix trace_sched_switch() 2015-10-06 17:08:15 +02:00
scsi.h scsi: rename SERVICE_ACTION_IN to SERVICE_ACTION_IN_16 2014-11-24 20:01:40 +01:00
signal.h
skb.h
sock.h
spi.h spi: Provide common spi_message processing loop 2013-10-11 20:09:50 +01:00
spmi.h spmi: add command tracepoints for SPMI 2015-08-05 12:27:09 -07:00
sunrpc.h net: sunrpc: fix tracepoint Warning: unknown op '->' 2015-08-31 16:32:15 -04:00
swiotlb.h tracing/events: Add bounce tracing to swiotbl 2013-10-02 12:53:26 -04:00
syscalls.h tracepoint: Fix sparse warnings in tracepoint.c 2014-04-09 10:12:11 -04:00
target.h target: Minimize SCSI header #include directives 2015-06-02 08:03:25 -07:00
task.h tracing: Don't make assumptions about length of string on task rename 2015-08-31 10:47:14 -04:00
thermal_power_allocator.h thermal: consistently use int for temperatures 2015-08-03 23:15:50 +08:00
thermal.h thermal: add trace events to the power allocator governor 2015-05-04 21:27:52 -07:00
thp.h powerpc/thp: Add tracepoints to track hugepage invalidate 2014-08-13 18:20:42 +10:00
timer.h timer: Replace timer base by a cpu index 2015-06-19 15:18:27 +02:00
tlb.h x86, mm: trace when an IPI is about to be sent 2015-09-04 16:54:41 -07:00
udp.h
v4l2.h [media] v4l2: add support for SDR transmitter 2015-10-20 15:40:50 -02:00
vb2.h [media] media: videobuf2: Prepare to divide videobuf2 2015-10-20 15:12:45 -02:00
vmscan.h tracing, mm: Record pfn instead of pointer to struct page 2015-04-13 11:44:52 -03:00
workqueue.h
writeback.h writeback: update writeback tracepoints to report cgroup 2015-08-18 15:49:15 -07:00
xen.h x86: expose number of page table levels on Kconfig level 2015-04-14 16:49:02 -07:00