linux-stable

mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2025-01-10 07:00:48 +00:00

History

Hengqi Chen 5a80bd075f block: introduce block_io_start/block_io_done tracepoints

Currently, several BCC ([0]) tools (biosnoop/biostacks/biotop) use
kprobes to blk_account_io_start/blk_account_io_done to implement
their functionalities. This is fragile because the target kernel
functions may be renamed ([1]) or inlined ([2]). So introduce two
new tracepoints for such use cases.

  [0]: https://github.com/iovisor/bcc
  [1]: https://github.com/iovisor/bcc/issues/3954
  [2]: https://github.com/iovisor/bcc/issues/4261

Tested-by: Francis Laniel <flaniel@linux.microsoft.com>
Signed-off-by: Hengqi Chen <hengqi.chen@gmail.com>
Tested-by: Yonghong Song <yhs@fb.com>
Link: https://lore.kernel.org/r/20230520084057.1467003-1-hengqi.chen@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>

2023-05-24 08:38:59 -06:00

events

block: introduce block_io_start/block_io_done tracepoints

2023-05-24 08:38:59 -06:00

misc

NFSD: add CB_RECALL_ANY tracepoints

2022-12-10 11:01:12 -05:00

stages

tracing: Error if a trace event has an array for a __field()

2023-04-03 11:52:51 -04:00

bpf_probe.h

bpf/tracing: Use stage6 of tracing to not duplicate macros