diff options
Diffstat (limited to 'drivers/scsi/fnic/fnic_trace.c')
| -rw-r--r-- | drivers/scsi/fnic/fnic_trace.c | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/drivers/scsi/fnic/fnic_trace.c b/drivers/scsi/fnic/fnic_trace.c index 23a60e3d8527..e002e7187dc0 100644 --- a/drivers/scsi/fnic/fnic_trace.c +++ b/drivers/scsi/fnic/fnic_trace.c @@ -189,6 +189,191 @@ int fnic_get_trace_data(fnic_dbgfs_t *fnic_dbgfs_prt) } /* + * fnic_get_stats_data - Copy fnic stats buffer to a memory file + * @fnic_dbgfs_t: pointer to debugfs fnic stats buffer + * + * Description: + * This routine gathers the fnic stats debugfs data from the fnic_stats struct + * and dumps it to stats_debug_info. + * + * Return Value: + * This routine returns the amount of bytes that were dumped into + * stats_debug_info + */ +int fnic_get_stats_data(struct stats_debug_info *debug, + struct fnic_stats *stats) +{ + int len = 0; + int buf_size = debug->buf_size; + struct timespec val1, val2; + + len = snprintf(debug->debug_buffer + len, buf_size - len, + "------------------------------------------\n" + "\t\tIO Statistics\n" + "------------------------------------------\n"); + len += snprintf(debug->debug_buffer + len, buf_size - len, + "Number of Active IOs: %lld\nMaximum Active IOs: %lld\n" + "Number of IOs: %lld\nNumber of IO Completions: %lld\n" + "Number of IO Failures: %lld\nNumber of IO NOT Found: %lld\n" + "Number of Memory alloc Failures: %lld\n" + "Number of IOREQ Null: %lld\n" + "Number of SCSI cmd pointer Null: %lld\n", + (u64)atomic64_read(&stats->io_stats.active_ios), + (u64)atomic64_read(&stats->io_stats.max_active_ios), + (u64)atomic64_read(&stats->io_stats.num_ios), + (u64)atomic64_read(&stats->io_stats.io_completions), + (u64)atomic64_read(&stats->io_stats.io_failures), + (u64)atomic64_read(&stats->io_stats.io_not_found), + (u64)atomic64_read(&stats->io_stats.alloc_failures), + (u64)atomic64_read(&stats->io_stats.ioreq_null), + (u64)atomic64_read(&stats->io_stats.sc_null)); + + len += snprintf(debug->debug_buffer + len, buf_size - len, + "\n------------------------------------------\n" + "\t\tAbort Statistics\n" + "------------------------------------------\n"); + len += snprintf(debug->debug_buffer + len, buf_size - len, + "Number of Aborts: %lld\n" + "Number of Abort Failures: %lld\n" + "Number of Abort Driver Timeouts: %lld\n" + "Number of Abort FW Timeouts: %lld\n" + "Number of Abort IO NOT Found: %lld\n", + (u64)atomic64_read(&stats->abts_stats.aborts), + (u64)atomic64_read(&stats->abts_stats.abort_failures), + (u64)atomic64_read(&stats->abts_stats.abort_drv_timeouts), + (u64)atomic64_read(&stats->abts_stats.abort_fw_timeouts), + (u64)atomic64_read(&stats->abts_stats.abort_io_not_found)); + + len += snprintf(debug->debug_buffer + len, buf_size - len, + "\n------------------------------------------\n" + "\t\tTerminate Statistics\n" + "------------------------------------------\n"); + len += snprintf(debug->debug_buffer + len, buf_size - len, + "Number of Terminates: %lld\n" + "Maximum Terminates: %lld\n" + "Number of Terminate Driver Timeouts: %lld\n" + "Number of Terminate FW Timeouts: %lld\n" + "Number of Terminate IO NOT Found: %lld\n" + "Number of Terminate Failures: %lld\n", + (u64)atomic64_read(&stats->term_stats.terminates), + (u64)atomic64_read(&stats->term_stats.max_terminates), + (u64)atomic64_read(&stats->term_stats.terminate_drv_timeouts), + (u64)atomic64_read(&stats->term_stats.terminate_fw_timeouts), + (u64)atomic64_read(&stats->term_stats.terminate_io_not_found), + (u64)atomic64_read(&stats->term_stats.terminate_failures)); + + len += snprintf(debug->debug_buffer + len, buf_size - len, + "\n------------------------------------------\n" + "\t\tReset Statistics\n" + "------------------------------------------\n"); + + len += snprintf(debug->debug_buffer + len, buf_size - len, + "Number of Device Resets: %lld\n" + "Number of Device Reset Failures: %lld\n" + "Number of Device Reset Aborts: %lld\n" + "Number of Device Reset Timeouts: %lld\n" + "Number of Device Reset Terminates: %lld\n" + "Number of FW Resets: %lld\n" + "Number of FW Reset Completions: %lld\n" + "Number of FW Reset Failures: %lld\n" + "Number of Fnic Reset: %lld\n" + "Number of Fnic Reset Completions: %lld\n" + "Number of Fnic Reset Failures: %lld\n", + (u64)atomic64_read(&stats->reset_stats.device_resets), + (u64)atomic64_read(&stats->reset_stats.device_reset_failures), + (u64)atomic64_read(&stats->reset_stats.device_reset_aborts), + (u64)atomic64_read(&stats->reset_stats.device_reset_timeouts), + (u64)atomic64_read( + &stats->reset_stats.device_reset_terminates), + (u64)atomic64_read(&stats->reset_stats.fw_resets), + (u64)atomic64_read(&stats->reset_stats.fw_reset_completions), + (u64)atomic64_read(&stats->reset_stats.fw_reset_failures), + (u64)atomic64_read(&stats->reset_stats.fnic_resets), + (u64)atomic64_read( + &stats->reset_stats.fnic_reset_completions), + (u64)atomic64_read(&stats->reset_stats.fnic_reset_failures)); + + len += snprintf(debug->debug_buffer + len, buf_size - len, + "\n------------------------------------------\n" + "\t\tFirmware Statistics\n" + "------------------------------------------\n"); + + len += snprintf(debug->debug_buffer + len, buf_size - len, + "Number of Active FW Requests %lld\n" + "Maximum FW Requests: %lld\n" + "Number of FW out of resources: %lld\n" + "Number of FW IO errors: %lld\n", + (u64)atomic64_read(&stats->fw_stats.active_fw_reqs), + (u64)atomic64_read(&stats->fw_stats.max_fw_reqs), + (u64)atomic64_read(&stats->fw_stats.fw_out_of_resources), + (u64)atomic64_read(&stats->fw_stats.io_fw_errs)); + + len += snprintf(debug->debug_buffer + len, buf_size - len, + "\n------------------------------------------\n" + "\t\tVlan Discovery Statistics\n" + "------------------------------------------\n"); + + len += snprintf(debug->debug_buffer + len, buf_size - len, + "Number of Vlan Discovery Requests Sent %lld\n" + "Vlan Response Received with no FCF VLAN ID: %lld\n" + "No solicitations recvd after vlan set, expiry count: %lld\n" + "Flogi rejects count: %lld\n", + (u64)atomic64_read(&stats->vlan_stats.vlan_disc_reqs), + (u64)atomic64_read(&stats->vlan_stats.resp_withno_vlanID), + (u64)atomic64_read(&stats->vlan_stats.sol_expiry_count), + (u64)atomic64_read(&stats->vlan_stats.flogi_rejects)); + + len += snprintf(debug->debug_buffer + len, buf_size - len, + "\n------------------------------------------\n" + "\t\tOther Important Statistics\n" + "------------------------------------------\n"); + + jiffies_to_timespec(stats->misc_stats.last_isr_time, &val1); + jiffies_to_timespec(stats->misc_stats.last_ack_time, &val2); + + len += snprintf(debug->debug_buffer + len, buf_size - len, + "Last ISR time: %llu (%8lu.%8lu)\n" + "Last ACK time: %llu (%8lu.%8lu)\n" + "Number of ISRs: %lld\n" + "Maximum CQ Entries: %lld\n" + "Number of ACK index out of range: %lld\n" + "Number of data count mismatch: %lld\n" + "Number of FCPIO Timeouts: %lld\n" + "Number of FCPIO Aborted: %lld\n" + "Number of SGL Invalid: %lld\n" + "Number of Copy WQ Alloc Failures for ABTs: %lld\n" + "Number of Copy WQ Alloc Failures for Device Reset: %lld\n" + "Number of Copy WQ Alloc Failures for IOs: %lld\n" + "Number of no icmnd itmf Completions: %lld\n" + "Number of QUEUE Fulls: %lld\n" + "Number of rport not ready: %lld\n" + "Number of receive frame errors: %lld\n", + (u64)stats->misc_stats.last_isr_time, + val1.tv_sec, val1.tv_nsec, + (u64)stats->misc_stats.last_ack_time, + val2.tv_sec, val2.tv_nsec, + (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), + (u64)atomic64_read(&stats->misc_stats.data_count_mismatch), + (u64)atomic64_read(&stats->misc_stats.fcpio_timeout), + (u64)atomic64_read(&stats->misc_stats.fcpio_aborted), + (u64)atomic64_read(&stats->misc_stats.sgl_invalid), + (u64)atomic64_read( + &stats->misc_stats.abts_cpwq_alloc_failures), + (u64)atomic64_read( + &stats->misc_stats.devrst_cpwq_alloc_failures), + (u64)atomic64_read(&stats->misc_stats.io_cpwq_alloc_failures), + (u64)atomic64_read(&stats->misc_stats.no_icmnd_itmf_cmpls), + (u64)atomic64_read(&stats->misc_stats.queue_fulls), + (u64)atomic64_read(&stats->misc_stats.rport_not_ready), + (u64)atomic64_read(&stats->misc_stats.frame_errors)); + + return len; + +} + +/* * fnic_trace_buf_init - Initialize fnic trace buffer logging facility * * Description: |