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crypto: iaa - Add global_stats file and remove individual stat files

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Currently, the wq_stats output also includes the global stats, while
the individual global stats are also available as separate debugfs
files.  Since these are all read-only, there's really no reason to
have them as separate files, especially since we already display them
as global stats in the wq_stats.  It makes more sense to just add a
separate global_stats file to display those, and remove them from the
wq_stats, as well as removing the individual stats files.

Signed-off-by: Tom Zanussi <tom.zanussi@linux.intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Tom Zanussi
2024-03-04 15:20:10 -06:00
committed by Herbert Xu
parent 956cb8a370
commit c21fb22df6
2 changed files with 60 additions and 44 deletions
Download Patch File Download Diff File Expand all files Collapse all files

74
Documentation/driver-api/crypto/iaa/iaa-crypto.rst
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@@ -321,33 +321,30 @@ driver will generate statistics which can be accessed in debugfs at::
# ls -al /sys/kernel/debug/iaa-crypto/
total 0
drwxr-xr-x 2 root root 0 Mar 3 09:35 .
drwx------ 47 root root 0 Mar 3 09:35 ..
-rw-r--r-- 1 root root 0 Mar 3 09:35 max_acomp_delay_ns
-rw-r--r-- 1 root root 0 Mar 3 09:35 max_adecomp_delay_ns
-rw-r--r-- 1 root root 0 Mar 3 09:35 max_comp_delay_ns
-rw-r--r-- 1 root root 0 Mar 3 09:35 max_decomp_delay_ns
-rw-r--r-- 1 root root 0 Mar 3 09:35 stats_reset
-rw-r--r-- 1 root root 0 Mar 3 09:35 total_comp_bytes_out
-rw-r--r-- 1 root root 0 Mar 3 09:35 total_comp_calls
-rw-r--r-- 1 root root 0 Mar 3 09:35 total_decomp_bytes_in
-rw-r--r-- 1 root root 0 Mar 3 09:35 total_decomp_calls
-rw-r--r-- 1 root root 0 Mar 3 09:35 wq_stats
drwxr-xr-x 2 root root 0 Mar 3 07:55 .
drwx------ 53 root root 0 Mar 3 07:55 ..
-rw-r--r-- 1 root root 0 Mar 3 07:55 global_stats
-rw-r--r-- 1 root root 0 Mar 3 07:55 stats_reset
-rw-r--r-- 1 root root 0 Mar 3 07:55 wq_stats
Most of the above statisticss are self-explanatory. The wq_stats file
shows per-wq stats, a set for each iaa device and wq in addition to
some global stats::
The global_stats file shows a set of global statistics collected since
the driver has been loaded or reset::
# cat wq_stats
# cat global_stats
global stats:
total_comp_calls: 100
total_decomp_calls: 100
total_comp_bytes_out: 22800
total_decomp_bytes_in: 22800
total_comp_calls: 4300
total_decomp_calls: 4164
total_sw_decomp_calls: 0
total_comp_bytes_out: 5993989
total_decomp_bytes_in: 5993989
total_completion_einval_errors: 0
total_completion_timeout_errors: 0
total_completion_comp_buf_overflow_errors: 0
total_completion_comp_buf_overflow_errors: 136
The wq_stats file shows per-wq stats, a set for each iaa device and wq
in addition to some global stats::
# cat wq_stats
iaa device:
id: 1
n_wqs: 1
@@ -379,21 +376,36 @@ some global stats::
iaa device:
id: 5
n_wqs: 1
comp_calls: 100
comp_bytes: 22800
decomp_calls: 100
decomp_bytes: 22800
comp_calls: 1360
comp_bytes: 1999776
decomp_calls: 0
decomp_bytes: 0
wqs:
name: iaa_crypto
comp_calls: 100
comp_bytes: 22800
decomp_calls: 100
decomp_bytes: 22800
comp_calls: 1360
comp_bytes: 1999776
decomp_calls: 0
decomp_bytes: 0
Writing 0 to 'stats_reset' resets all the stats, including the
iaa device:
id: 7
n_wqs: 1
comp_calls: 2940
comp_bytes: 3994213
decomp_calls: 4164
decomp_bytes: 5993989
wqs:
name: iaa_crypto
comp_calls: 2940
comp_bytes: 3994213
decomp_calls: 4164
decomp_bytes: 5993989
...
Writing to 'stats_reset' resets all the stats, including the
per-device and per-wq stats::
# echo 0 > stats_reset
# echo 1 > stats_reset
# cat wq_stats
global stats:
total_comp_calls: 0