PATH:
usr
/
share
/
sssd
/
systemtap
/
Editing: dp_request.stp
/* Start Run with: * stap -v dp_request.stp * * Then reproduce slow login or id/getent in another terminal. * Ctrl-C running stap once login completes. * * Probe tapsets are in /usr/share/systemtap/tapset/sssd.stp */ global num_dp_requests global time_in_dp_req global elapsed_time global dp_req_send_start global dp_req_send_end /* Used for tracking slowest request as tz_ctime() only converts seconds, not ms */ global dp_req_send_sec_start global dp_req_send_sec_end global slowest_req_name global slowest_req_target global slowest_req_method global slowest_req_time = 0 global slowest_req_start_time global slowest_req_end_time function print_report() { printf("\nEnding Systemtap Run - Providing Summary\n") printf("Total Number of DP requests: [%d]\n", num_dp_requests) printf("Total time in DP requests: [%s]\n", msecs_to_string(time_in_dp_req)) printf("Slowest request data:\n") printf("\tRequest: [%s]\n", slowest_req_name) printf("\tTarget: [%s]\n", dp_target_str(slowest_req_target)) printf("\tMethod: [%s]\n", dp_method_str(slowest_req_method)) printf("\tStart Time: [%s]\n", tz_ctime(slowest_req_start_time)) printf("\tEnd Time: [%s]\n", tz_ctime(slowest_req_end_time)) printf("\tDuration: [%s]\n\n", msecs_to_string(slowest_req_time)) } probe dp_req_send { dp_req_send_start = gettimeofday_ms() dp_req_send_sec_start = gettimeofday_s() printf("\t--> DP Request [%s] sent for domain [%s]\n", dp_req_name, dp_req_domain) printf("\t--> Target: [%s] - Method: [%s]\n", dp_target_str(dp_req_target), dp_method_str(dp_req_method)) num_dp_requests++ } probe dp_req_done { dp_req_send_end = gettimeofday_ms() dp_req_send_sec_end = gettimeofday_s() elapsed_time = (dp_req_send_end - dp_req_send_start) printf("\t\t DP Request [%s] finished with return code [%d]: [%s]\n", dp_req_name, dp_ret, dp_errorstr) printf("\t\t Elapsed time [%s]\n\n", msecs_to_string(elapsed_time)) /* Track slowest request information */ if (elapsed_time > slowest_req_time) { slowest_req_time = elapsed_time slowest_req_name = dp_req_name slowest_req_method = dp_req_method slowest_req_target = slowest_req_target slowest_req_start_time = dp_req_send_sec_start slowest_req_end_time = dp_req_send_sec_end } time_in_dp_req += (dp_req_send_end - dp_req_send_start) } probe begin { printf("\t*** Beginning run! ***\n") } probe end { print_report() }
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