diff options
| author | Karan Tilak Kumar <kartilak@cisco.com> | 2023-12-11 20:36:12 +0300 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2023-12-14 06:11:33 +0300 |
| commit | b559b827716cadba8b87620ab15e39fe22160cf2 (patch) | |
| tree | 1ddf43419f16cdf97d173c88d68ecc920ad26df4 | |
| parent | 8a8449ca5e33b96515ea5c46de217e697d249cf9 (diff) | |
| download | linux-b559b827716cadba8b87620ab15e39fe22160cf2.tar.xz | |
scsi: fnic: Define stats to track multiqueue (MQ) IOs
Define an array to track IOs for the different queues, print the IO stats
in fnic get stats data.
Reviewed-by: Sesidhar Baddela <sebaddel@cisco.com>
Reviewed-by: Arulprabhu Ponnusamy <arulponn@cisco.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Karan Tilak Kumar <kartilak@cisco.com>
Link: https://lore.kernel.org/r/20231211173617.932990-9-kartilak@cisco.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
| -rw-r--r-- | drivers/scsi/fnic/fnic_stats.h | 2 | ||||
| -rw-r--r-- | drivers/scsi/fnic/fnic_trace.c | 11 |
2 files changed, 13 insertions, 0 deletions
diff --git a/drivers/scsi/fnic/fnic_stats.h b/drivers/scsi/fnic/fnic_stats.h index 07d1556e3c32..9d7f98c452dd 100644 --- a/drivers/scsi/fnic/fnic_stats.h +++ b/drivers/scsi/fnic/fnic_stats.h @@ -2,6 +2,7 @@ /* Copyright 2013 Cisco Systems, Inc. All rights reserved. */ #ifndef _FNIC_STATS_H_ #define _FNIC_STATS_H_ +#define FNIC_MQ_MAX_QUEUES 64 struct stats_timestamps { struct timespec64 last_reset_time; @@ -26,6 +27,7 @@ struct io_path_stats { atomic64_t io_btw_10000_to_30000_msec; atomic64_t io_greater_than_30000_msec; atomic64_t current_max_io_time; + atomic64_t ios[FNIC_MQ_MAX_QUEUES]; }; struct abort_stats { diff --git a/drivers/scsi/fnic/fnic_trace.c b/drivers/scsi/fnic/fnic_trace.c index be0d7c57b242..aaa4ea02fb7c 100644 --- a/drivers/scsi/fnic/fnic_trace.c +++ b/drivers/scsi/fnic/fnic_trace.c @@ -204,6 +204,7 @@ int fnic_get_stats_data(struct stats_debug_info *debug, int len = 0; int buf_size = debug->buf_size; struct timespec64 val1, val2; + int i = 0; ktime_get_real_ts64(&val1); len = scnprintf(debug->debug_buffer + len, buf_size - len, @@ -267,6 +268,16 @@ int fnic_get_stats_data(struct stats_debug_info *debug, (u64)atomic64_read(&stats->io_stats.io_greater_than_30000_msec)); len += scnprintf(debug->debug_buffer + len, buf_size - len, + "------------------------------------------\n" + "\t\tIO Queues and cumulative IOs\n" + "------------------------------------------\n"); + + for (i = 0; i < FNIC_MQ_MAX_QUEUES; i++) { + len += scnprintf(debug->debug_buffer + len, buf_size - len, + "Q:%d -> %lld\n", i, (u64)atomic64_read(&stats->io_stats.ios[i])); + } + + len += scnprintf(debug->debug_buffer + len, buf_size - len, "\nCurrent Max IO time : %lld\n", (u64)atomic64_read(&stats->io_stats.current_max_io_time)); |