linux-stable/include
Josef Bacik ac1ea10e75 btrfs: add a trace point for reserve tickets
While debugging a ENOSPC related performance problem I needed to see the
time difference between start and end of a reserve ticket, so add a
trace point to report when we handle a reserve ticket.

I opted to spit out start_ns itself without calculating the difference
because there could be a gap between enabling the tracepoint and setting
start_ns.  Doing it this way allows us to filter on 0 start_ns so we
don't get bogus entries, and we can easily calculate the time difference
with bpftrace or something else.

Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
2021-02-08 22:58:58 +01:00
..
acpi More power management updates for 5.11-rc1 2020-12-22 14:12:10 -08:00
asm-generic arm64: make atomic helpers __always_inline 2021-01-13 15:09:06 +00:00
clocksource
crypto
drm drm/dp/mst: Export drm_dp_get_vc_payload_bw() 2021-02-02 17:31:37 +02:00
dt-bindings ASoC: dt-bindings: lpass: Fix and common up lpass dai ids 2021-01-20 16:46:44 +00:00
keys
kunit
kvm KVM: arm64: Replace KVM_ARM_PMU with HW_PERF_EVENTS 2021-01-04 16:50:16 +00:00
linux lib/zstd: convert constants to defines 2021-02-08 22:58:55 +01:00
math-emu
media media: v4l: common: Fix naming of v4l2_get_link_rate 2021-01-07 15:47:52 +01:00
memory
misc
net udp: ipv4: manipulate network header of NATed UDP GRO fraglist 2021-02-01 20:02:16 -08:00
pcmcia
ras
rdma RDMA 5.11 pull request 2020-12-16 13:42:26 -08:00
scsi SCSI misc on 20201216 2020-12-16 13:34:31 -08:00
soc include/soc: remove headers for EZChip NPS 2021-01-05 12:59:41 -08:00
sound ALSA: pcm: One more dependency for hw constraints 2021-01-23 16:59:24 +01:00
target
trace btrfs: add a trace point for reserve tickets 2021-02-08 22:58:58 +01:00
uapi - For syscall user dispatch, separate ptctl operation from syscall 2021-02-07 10:16:24 -08:00
vdso
video
xen xen: Fix event channel callback via INTX/GSI 2021-01-13 16:12:00 +01:00