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authorSatish Kharat <satishkh@cisco.com>2019-01-15 04:09:25 +0300
committerMartin K. Petersen <martin.petersen@oracle.com>2019-01-23 05:18:34 +0300
commit3567dca1bac619d8da4145602495faf9340a4688 (patch)
tree238e34664b761bfdfb93e7b9b47421308594b0e3 /drivers/scsi/fnic/fnic_trace.c
parentd948e6383ec372da488cb553d56e100787a32ace (diff)
downloadlinux-3567dca1bac619d8da4145602495faf9340a4688.tar.xz
scsi: fnic: fnic stats for max CQs processed and ISR time
This change is to add fnic stats for the max number of CQs (corresponding to copy WQ) processed in a given interrupt, max time taken by the ISR. Signed-off-by: Satish Kharat <satishkh@cisco.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/fnic/fnic_trace.c')
-rw-r--r--drivers/scsi/fnic/fnic_trace.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/scsi/fnic/fnic_trace.c b/drivers/scsi/fnic/fnic_trace.c
index 8c0d4ee824db..ce32380a182e 100644
--- a/drivers/scsi/fnic/fnic_trace.c
+++ b/drivers/scsi/fnic/fnic_trace.c
@@ -409,6 +409,9 @@ int fnic_get_stats_data(struct stats_debug_info *debug,
len += snprintf(debug->debug_buffer + len, buf_size - len,
"Last ISR time: %llu (%8llu.%09lu)\n"
"Last ACK time: %llu (%8llu.%09lu)\n"
+ "Max ISR jiffies: %llu\n"
+ "Max ISR time (ms) (0 denotes < 1 ms): %llu\n"
+ "Corr. work done: %llu\n"
"Number of ISRs: %lld\n"
"Maximum CQ Entries: %lld\n"
"Number of ACK index out of range: %lld\n"
@@ -428,6 +431,9 @@ int fnic_get_stats_data(struct stats_debug_info *debug,
(s64)val1.tv_sec, val1.tv_nsec,
(u64)stats->misc_stats.last_ack_time,
(s64)val2.tv_sec, val2.tv_nsec,
+ (u64)atomic64_read(&stats->misc_stats.max_isr_jiffies),
+ (u64)atomic64_read(&stats->misc_stats.max_isr_time_ms),
+ (u64)atomic64_read(&stats->misc_stats.corr_work_done),
(u64)atomic64_read(&stats->misc_stats.isr_count),
(u64)atomic64_read(&stats->misc_stats.max_cq_entries),
(u64)atomic64_read(&stats->misc_stats.ack_index_out_of_range),