1*4882a593Smuzhiyun# failed system call counts, by pid 2*4882a593Smuzhiyun# (c) 2010, Tom Zanussi <tzanussi@gmail.com> 3*4882a593Smuzhiyun# Licensed under the terms of the GNU GPL License version 2 4*4882a593Smuzhiyun# 5*4882a593Smuzhiyun# Displays system-wide failed system call totals, broken down by pid. 6*4882a593Smuzhiyun# If a [comm] arg is specified, only syscalls called by [comm] are displayed. 7*4882a593Smuzhiyun 8*4882a593Smuzhiyunfrom __future__ import print_function 9*4882a593Smuzhiyun 10*4882a593Smuzhiyunimport os 11*4882a593Smuzhiyunimport sys 12*4882a593Smuzhiyun 13*4882a593Smuzhiyunsys.path.append(os.environ['PERF_EXEC_PATH'] + \ 14*4882a593Smuzhiyun '/scripts/python/Perf-Trace-Util/lib/Perf/Trace') 15*4882a593Smuzhiyun 16*4882a593Smuzhiyunfrom perf_trace_context import * 17*4882a593Smuzhiyunfrom Core import * 18*4882a593Smuzhiyunfrom Util import * 19*4882a593Smuzhiyun 20*4882a593Smuzhiyunusage = "perf script -s syscall-counts-by-pid.py [comm|pid]\n"; 21*4882a593Smuzhiyun 22*4882a593Smuzhiyunfor_comm = None 23*4882a593Smuzhiyunfor_pid = None 24*4882a593Smuzhiyun 25*4882a593Smuzhiyunif len(sys.argv) > 2: 26*4882a593Smuzhiyun sys.exit(usage) 27*4882a593Smuzhiyun 28*4882a593Smuzhiyunif len(sys.argv) > 1: 29*4882a593Smuzhiyun try: 30*4882a593Smuzhiyun for_pid = int(sys.argv[1]) 31*4882a593Smuzhiyun except: 32*4882a593Smuzhiyun for_comm = sys.argv[1] 33*4882a593Smuzhiyun 34*4882a593Smuzhiyunsyscalls = autodict() 35*4882a593Smuzhiyun 36*4882a593Smuzhiyundef trace_begin(): 37*4882a593Smuzhiyun print("Press control+C to stop and show the summary") 38*4882a593Smuzhiyun 39*4882a593Smuzhiyundef trace_end(): 40*4882a593Smuzhiyun print_error_totals() 41*4882a593Smuzhiyun 42*4882a593Smuzhiyundef raw_syscalls__sys_exit(event_name, context, common_cpu, 43*4882a593Smuzhiyun common_secs, common_nsecs, common_pid, common_comm, 44*4882a593Smuzhiyun common_callchain, id, ret): 45*4882a593Smuzhiyun if (for_comm and common_comm != for_comm) or \ 46*4882a593Smuzhiyun (for_pid and common_pid != for_pid ): 47*4882a593Smuzhiyun return 48*4882a593Smuzhiyun 49*4882a593Smuzhiyun if ret < 0: 50*4882a593Smuzhiyun try: 51*4882a593Smuzhiyun syscalls[common_comm][common_pid][id][ret] += 1 52*4882a593Smuzhiyun except TypeError: 53*4882a593Smuzhiyun syscalls[common_comm][common_pid][id][ret] = 1 54*4882a593Smuzhiyun 55*4882a593Smuzhiyundef syscalls__sys_exit(event_name, context, common_cpu, 56*4882a593Smuzhiyun common_secs, common_nsecs, common_pid, common_comm, 57*4882a593Smuzhiyun id, ret): 58*4882a593Smuzhiyun raw_syscalls__sys_exit(**locals()) 59*4882a593Smuzhiyun 60*4882a593Smuzhiyundef print_error_totals(): 61*4882a593Smuzhiyun if for_comm is not None: 62*4882a593Smuzhiyun print("\nsyscall errors for %s:\n" % (for_comm)) 63*4882a593Smuzhiyun else: 64*4882a593Smuzhiyun print("\nsyscall errors:\n") 65*4882a593Smuzhiyun 66*4882a593Smuzhiyun print("%-30s %10s" % ("comm [pid]", "count")) 67*4882a593Smuzhiyun print("%-30s %10s" % ("------------------------------", "----------")) 68*4882a593Smuzhiyun 69*4882a593Smuzhiyun comm_keys = syscalls.keys() 70*4882a593Smuzhiyun for comm in comm_keys: 71*4882a593Smuzhiyun pid_keys = syscalls[comm].keys() 72*4882a593Smuzhiyun for pid in pid_keys: 73*4882a593Smuzhiyun print("\n%s [%d]" % (comm, pid)) 74*4882a593Smuzhiyun id_keys = syscalls[comm][pid].keys() 75*4882a593Smuzhiyun for id in id_keys: 76*4882a593Smuzhiyun print(" syscall: %-16s" % syscall_name(id)) 77*4882a593Smuzhiyun ret_keys = syscalls[comm][pid][id].keys() 78*4882a593Smuzhiyun for ret, val in sorted(syscalls[comm][pid][id].items(), key = lambda kv: (kv[1], kv[0]), reverse = True): 79*4882a593Smuzhiyun print(" err = %-20s %10d" % (strerror(ret), val)) 80