diff options
Diffstat (limited to 'count.c')
| -rw-r--r-- | count.c | 49 |
1 files changed, 22 insertions, 27 deletions
@@ -8,7 +8,7 @@ * <barrow_dj@mail.yahoo.com,djbarrow@de.ibm.com> * Copyright (c) 2004 Roland McGrath <roland@redhat.com> * Copyright (c) 2006 Dmitry V. Levin <ldv@altlinux.org> - * Copyright (c) 2006-2017 The strace developers. + * Copyright (c) 2006-2018 The strace developers. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -40,7 +40,7 @@ struct call_counts { /* time may be total latency or system time */ struct timeval time; - int calls, errors; + unsigned int calls, errors; }; static struct call_counts *countv[SUPPORTED_PERSONALITIES]; @@ -154,22 +154,24 @@ void set_overhead(int n) static void call_summary_pers(FILE *outf) { + static const char dashes[] = "----------------"; + static const char header[] = "%6.6s %11.11s %11.11s %9.9s %9.9s %s\n"; + static const char data[] = "%6.2f %11.6f %11lu %9u %9.u %s\n"; + static const char summary[] = "%6.6s %11.6f %11.11s %9u %9.u %s\n"; + unsigned int i; - int call_cum, error_cum; + unsigned int call_cum, error_cum; struct timeval tv_cum, dtv; double float_tv_cum; double percent; - const char *dashes = "----------------"; - char error_str[sizeof(int)*3]; - int *sorted_count; + unsigned int *sorted_count; - fprintf(outf, "%6.6s %11.11s %11.11s %9.9s %9.9s %s\n", + fprintf(outf, header, "% time", "seconds", "usecs/call", "calls", "errors", "syscall"); - fprintf(outf, "%6.6s %11.11s %11.11s %9.9s %9.9s %s\n", - dashes, dashes, dashes, dashes, dashes, dashes); + fprintf(outf, header, dashes, dashes, dashes, dashes, dashes, dashes); - sorted_count = xcalloc(sizeof(int), nsyscalls); + sorted_count = xcalloc(sizeof(sorted_count[0]), nsyscalls); call_cum = error_cum = tv_cum.tv_sec = tv_cum.tv_usec = 0; if (overhead.tv_sec == -1) { tv_mul(&overhead, &shortest, 8); @@ -188,39 +190,32 @@ call_summary_pers(FILE *outf) float_tv_cum = tv_float(&tv_cum); if (counts) { if (sortfun) - qsort((void *) sorted_count, nsyscalls, sizeof(int), sortfun); + qsort((void *) sorted_count, nsyscalls, + sizeof(sorted_count[0]), sortfun); for (i = 0; i < nsyscalls; i++) { double float_syscall_time; - int idx = sorted_count[i]; + unsigned int idx = sorted_count[i]; struct call_counts *cc = &counts[idx]; if (cc->calls == 0) continue; tv_div(&dtv, &cc->time, cc->calls); - error_str[0] = '\0'; - if (cc->errors) - sprintf(error_str, "%u", cc->errors); float_syscall_time = tv_float(&cc->time); percent = (100.0 * float_syscall_time); if (percent != 0.0) percent /= float_tv_cum; /* else: float_tv_cum can be 0.0 too and we get 0/0 = NAN */ - fprintf(outf, "%6.2f %11.6f %11lu %9u %9.9s %s\n", + fprintf(outf, data, percent, float_syscall_time, (long) (1000000 * dtv.tv_sec + dtv.tv_usec), - cc->calls, - error_str, sysent[idx].sys_name); + cc->calls, cc->errors, sysent[idx].sys_name); } } free(sorted_count); - fprintf(outf, "%6.6s %11.11s %11.11s %9.9s %9.9s %s\n", - dashes, dashes, dashes, dashes, dashes, dashes); - error_str[0] = '\0'; - if (error_cum) - sprintf(error_str, "%u", error_cum); - fprintf(outf, "%6.6s %11.6f %11.11s %9u %9.9s %s\n", + fprintf(outf, header, dashes, dashes, dashes, dashes, dashes, dashes); + fprintf(outf, summary, "100.00", float_tv_cum, "", - call_cum, error_str, "total"); + call_cum, error_cum, "total"); } void @@ -236,8 +231,8 @@ call_summary(FILE *outf) set_personality(i); if (i) fprintf(outf, - "System call usage summary for %d bit mode:\n", - current_wordsize * 8); + "System call usage summary for %s mode:\n", + personality_names[i]); call_summary_pers(outf); } |