Jaegeuk Kim 1e0161d75b mm: mm_event: show MM/FS/IO/UFS latencies in fault flow ... Tracing points are: mm_event types MM: Page fault - F2FS: read metadata in F2FS | F2FS: alloc_bio in F2FS | - - - - F2FS: merge bios in F2FS | | | | | BLOCK: submit_bio | | | | - blk_read_submit_bio BLOCK: IO scheduler/SCSI | | | | UFS: ufshcd_queuecommand | | | - ufs_read_queue_cmd UFS: resume/ungating | | | UFS: IO completion | | - ufs_read_compl_cmd BLOCK: softirq | | F2FS: read_end_io in F2FS | - f2fs_read_data MM: end of page fauilt - maj_flt For example, > cat /d/tracing/instances/pixel-trace/trace_pipe <...>-8364 [000] .... 5858.525417: mm_event_record: blk_read_submit_bio count=1 avg_lat=5 max_lat=5 <...>-8364 [000] .... 5858.525418: mm_event_record: ufs_read_queue_cmd count=1 avg_lat=96 max_lat=96 <...>-8364 [000] .... 5858.525418: mm_event_record: ufs_read_send_cmd count=1 avg_lat=143 max_lat=143 ... sitor-13079 [007] .... 5858.827375: mm_event_record: ufs_read_compl_cmd count=1 avg_lat=12545 max_lat=12545 sitor-13079 [007] .... 5858.827433: mm_event_record: f2fs_read_data count=1 avg_lat=12587 max_lat=12587 ... <...>-13174 [001] .... 5859.187505: mm_event_record: maj_flt count=1 avg_lat=12677 max_lat=12677 Signed-off-by: Jaegeuk Kim <jaegeuk@google.com> Change-Id: I0712f543212a14ab2b1d6f092a9a2a7e3ed9f0a0 Signed-off-by: UtsavBalar1231 <utsavbalar1231@gmail.com>		2022-11-12 11:20:48 +00:00
..
partitions
badblocks.c
bfq-cgroup.c	block, bfq: fix overwrite of bfq_group pointer in bfq_find_set_group()	2020-03-25 08:06:08 +01:00
bfq-iosched.c	Merge remote-tracking branch 'aosp/android-4.19-stable' into android12-base	2022-04-20 19:50:03 +05:30
bfq-iosched.h	block, bfq: fix use after free in bfq_bfqq_expire	2021-12-29 12:20:43 +01:00
bfq-wf2q.c	block, bfq: fix use after free in bfq_bfqq_expire	2021-12-29 12:20:43 +01:00
bio-crypt-ctx.c	File and metadata encryption changes from android-4.19.96-107	2020-04-21 06:19:04 -07:00
bio-integrity.c	block: bio-integrity: Advance seed correctly for larger interval sizes	2022-02-08 18:23:14 +01:00
bio.c	mm: mm_event: show MM/FS/IO/UFS latencies in fault flow	2022-11-12 11:20:48 +00:00
blk-cgroup.c	bdi: use bdi_dev_name() to get device name	2021-08-08 08:54:29 +02:00
blk-core.c	mm: mm_event: show MM/FS/IO/UFS latencies in fault flow	2022-11-12 11:20:48 +00:00
blk-crypto-fallback.c	ANDROID: block: require drivers to declare supported crypto key type(s)	2020-07-08 10:19:08 -07:00
blk-crypto-internal.h	ANDROID: block: make blk_crypto_start_using_mode() properly check for support	2020-07-08 10:18:54 -07:00
blk-crypto.c	ANDROID: block: backport the ability to specify max_dun_bytes	2020-07-19 14:32:24 +05:30
blk-exec.c
blk-flush.c	block: Fix fsync always failed if once failed	2022-03-08 19:04:08 +01:00
blk-integrity.c
blk-ioc.c	block: Fix use-after-free issue accessing struct io_cq	2020-04-17 10:48:41 +02:00
blk-iolatency.c	This is the 4.19.247 stable release	2022-06-14 17:16:36 +02:00
blk-lib.c	block: fix 32 bit overflow in __blkdev_issue_discard()	2020-02-01 09:37:12 +00:00
blk-map.c	block: fix memleak when __blk_rq_map_user_iov() is failed	2020-01-12 12:17:22 +01:00
blk-merge.c	Merge remote-tracking branch 'aosp/android-4.19-stable' into android12-base	2022-04-20 19:50:03 +05:30
blk-mq-cpumap.c
blk-mq-debugfs-zoned.c
blk-mq-debugfs.c
blk-mq-debugfs.h
blk-mq-pci.c
blk-mq-rdma.c
blk-mq-sched.c	blk-mq: order adding requests to hctx->dispatch and checking SCHED_RESTART	2020-09-03 11:24:26 +02:00
blk-mq-sched.h
blk-mq-sysfs.c	Revert "block: split .sysfs_lock into two locks"	2021-03-05 07:01:53 +01:00
blk-mq-tag.c
blk-mq-tag.h
blk-mq-virtio.c	ANDROID: modularize BLK_MQ_VIRTIO	2020-01-31 16:11:59 -08:00
blk-mq.c	blk-mq: Swap two calls in blk_mq_exit_queue()	2021-05-22 10:59:46 +02:00
blk-mq.h	blk-mq: free hw queue's resource in hctx's release handler	2019-09-16 08:22:13 +02:00
blk-rq-qos.c	blk-wbt: fix performance regression in wbt scale_up/scale_down	2019-10-17 13:45:16 -07:00
blk-rq-qos.h	blk-rq-qos: fix first node deletion of rq_qos_del()	2019-10-29 09:20:09 +01:00
blk-settings.c	blk-settings: align max_sectors on "logical_block_size" boundary	2021-03-04 09:39:51 +01:00
blk-softirq.c
blk-stat.c
blk-stat.h
blk-sysfs.c	This is the 4.19.238 stable release	2022-04-18 09:57:50 +02:00
blk-tag.c
blk-throttle.c	blk-throttle: fix UAF by deleteing timer in blk_throtl_exit()	2021-09-26 13:39:49 +02:00
blk-timeout.c
blk-wbt.c	blk-wbt: make sure throttle is enabled properly	2021-07-20 16:15:48 +02:00
blk-wbt.h	blk-wbt: introduce a new disable state to prevent false positive by rwb_enabled()	2021-07-20 16:15:48 +02:00
blk-zoned.c	blk-zoned: allow BLKREPORTZONE without CAP_SYS_ADMIN	2021-09-22 11:47:57 +02:00
blk.h	Revert "block: split .sysfs_lock into two locks"	2021-03-05 07:01:53 +01:00
bounce.c	Revert existing FBE changes for ICE FBE	2020-04-24 15:19:09 -07:00
bsg-lib.c
bsg.c
cfq-iosched.c	block: cfq-iosched: Port samsung optimizations from SM-N986B	2022-11-12 11:19:59 +00:00
cmdline-parser.c
compat_ioctl.c	block/compat_ioctl: fix range check in BLKGETSIZE	2022-04-27 13:39:45 +02:00
deadline-iosched.c
elevator.c	Merge tag 'ASB-2022-03-05_4.19-stable' of https://github.com/aosp-mirror/kernel_common into android12-base	2022-03-08 06:44:12 +05:30
genhd.c	Merge 4.19.184 into android-4.19-stable	2021-04-07 11:44:22 +02:00
ioctl.c
ioprio.c	block: fix ioprio_get(IOPRIO_WHO_PGRP) vs setuid(2)	2021-12-14 10:18:07 +01:00
Kconfig	File and metadata encryption changes from android-4.19.96-107	2020-04-21 06:19:04 -07:00
Kconfig.iosched
keyslot-manager.c	ANDROID: block: backport the ability to specify max_dun_bytes	2020-07-19 14:32:24 +05:30
kyber-iosched.c
Makefile	File and metadata encryption changes from android-4.19.96-107	2020-04-21 06:19:04 -07:00
mq-deadline.c	block: mq-deadline: Fix queue restart handling	2019-10-07 18:57:19 +02:00
noop-iosched.c
opal_proto.h
OWNERS	ANDROID: Add OWNERS files referring to the respective android-mainline OWNERS	2021-04-03 14:09:44 +00:00
partition-generic.c
scsi_ioctl.c
sed-opal.c
t10-pi.c