diff options
| author | yupeng <[email protected]> | 2018-12-18 17:59:53 +0100 |
|---|---|---|
| committer | Christoph Hellwig <[email protected]> | 2018-12-19 08:35:36 +0100 |
| commit | 604c01d567cb9ee7d19dc598272cb90ab6229a8a (patch) | |
| tree | 896081abe12f6fd5b12c79515dbc2b08457dc6f3 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | ff8519f9e91170cd24ed503aa77d144e71bd4d92 (diff) | |
nvme-pci: trace SQ status on completions
Export the disk name, queue id, sq_head, sq_tail to a trace event in
completion handling.
Usage example:
cd /sys/kernel/debug/tracing/events/nvme/nvme_sq
echo 'disk=="nvme1n1"' > filter
echo 1 > enable
cat /sys/kernel/debug/tracing/trace_pipe
Signed-off-by: yupeng <[email protected]>
Reviewed-by: Sagi Grimberg <[email protected]>
Reviewed-by: Keith Busch <[email protected]>
[hch: slight formatting tweaks, use standard nvme tracepoint
conventions]
Signed-off-by: Christoph Hellwig <[email protected]>
wip
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions