diff options
Diffstat (limited to 'summary.c')
| -rw-r--r-- | summary.c | 135 |
1 files changed, 72 insertions, 63 deletions
@@ -1,5 +1,6 @@ /* * This file is part of ltrace. + * Copyright (C) 2012,2013 Petr Machata, Red Hat Inc. * Copyright (C) 2003,2008,2009 Juan Cespedes * Copyright (C) 2006 Ian Wienand * @@ -27,81 +28,89 @@ #include "common.h" -static int num_entries = 0; -static struct entry_st { - char *name; - int count; +struct entry_st { + const char *name; + unsigned count; struct timeval tv; -} *entries = NULL; +}; -static int tot_count = 0; -static unsigned long int tot_usecs = 0; +struct fill_struct_data { + struct vect entries; + unsigned tot_count; + unsigned long tot_usecs; +}; -static void fill_struct(void *key, void *value, void *data) +static enum callback_status +fill_struct(const char **namep, struct opt_c_struct *st, void *u) { - struct opt_c_struct *st = (struct opt_c_struct *)value; + struct fill_struct_data *data = u; + struct entry_st entry = { *namep, st->count, st->tv }; + if (VECT_PUSHBACK(&data->entries, &entry) < 0) + return CBS_STOP; + + data->tot_count += st->count; + data->tot_usecs += 1000000 * st->tv.tv_sec; + data->tot_usecs += st->tv.tv_usec; + return CBS_CONT; +} - entries = realloc(entries, (num_entries + 1) * sizeof(struct entry_st)); - if (!entries) { - perror("realloc()"); - exit(1); - } - entries[num_entries].name = (char *)key; - entries[num_entries].count = st->count; - entries[num_entries].tv = st->tv; +static int +compar(const struct entry_st *en1, const struct entry_st *en2) +{ + if (en2->tv.tv_sec - en1->tv.tv_sec) + return en2->tv.tv_sec - en1->tv.tv_sec; + else + return en2->tv.tv_usec - en1->tv.tv_usec; +} - tot_count += st->count; - tot_usecs += 1000000 * st->tv.tv_sec; - tot_usecs += st->tv.tv_usec; +static enum callback_status +dump_one(struct entry_st *entry, void *u) +{ + struct fill_struct_data *data = u; + unsigned long long int c; + unsigned long long int p; + c = 1000000 * (int)entry->tv.tv_sec + + (int)entry->tv.tv_usec; + p = 100000 * c / data->tot_usecs + 5; + fprintf(options.output, "%3lu.%02lu %4d.%06d %11lu %9d %s\n", + (unsigned long int)(p / 1000), + (unsigned long int)((p / 10) % 100), + (int)entry->tv.tv_sec, (int)entry->tv.tv_usec, + (unsigned long int)(c / entry->count), + entry->count, +#ifdef USE_DEMANGLE + options.demangle ? my_demangle(entry->name) : +#endif + entry->name); - num_entries++; + return CBS_CONT; } -static int compar(const void *a, const void *b) +void +show_summary(void) { - struct entry_st *en1, *en2; + struct fill_struct_data cdata = {}; + VECT_INIT(&cdata.entries, struct entry_st); - en1 = (struct entry_st *)a; - en2 = (struct entry_st *)b; + if (dict_opt_c != NULL) { + DICT_EACH(dict_opt_c, const char *, struct opt_c_struct, NULL, + fill_struct, &cdata); - if (en2->tv.tv_sec - en1->tv.tv_sec) { - return (en2->tv.tv_sec - en1->tv.tv_sec); - } else { - return (en2->tv.tv_usec - en1->tv.tv_usec); + VECT_QSORT(&cdata.entries, struct entry_st, &compar); } -} -void show_summary(void) -{ - int i; - - num_entries = 0; - entries = NULL; - - dict_apply_to_all(dict_opt_c, fill_struct, NULL); - - qsort(entries, num_entries, sizeof(*entries), compar); - - fprintf(options.output, "%% time seconds usecs/call calls function\n"); - fprintf(options.output, "------ ----------- ----------- --------- --------------------\n"); - for (i = 0; i < num_entries; i++) { - unsigned long long int c; - unsigned long long int p; - c = 1000000 * (int)entries[i].tv.tv_sec + - (int)entries[i].tv.tv_usec; - p = 100000 * c / tot_usecs + 5; - fprintf(options.output, "%3lu.%02lu %4d.%06d %11lu %9d %s\n", - (unsigned long int)(p / 1000), - (unsigned long int)((p / 10) % 100), - (int)entries[i].tv.tv_sec, (int)entries[i].tv.tv_usec, - (unsigned long int)(c / entries[i].count), - entries[i].count, -#ifdef USE_DEMANGLE - options.demangle ? my_demangle(entries[i].name) : -#endif - entries[i].name); - } - fprintf(options.output, "------ ----------- ----------- --------- --------------------\n"); - fprintf(options.output, "100.00 %4lu.%06lu %9d total\n", tot_usecs / 1000000, - tot_usecs % 1000000, tot_count); + fprintf(options.output, + "%% time seconds usecs/call calls function\n"); + fprintf(options.output, + "------ ----------- ----------- --------- --------------------\n"); + + VECT_EACH(&cdata.entries, struct entry_st, NULL, dump_one, &cdata); + + fprintf(options.output, + "------ ----------- ----------- --------- --------------------\n"); + fprintf(options.output, "100.00 %4lu.%06lu %9d total\n", + cdata.tot_usecs / 1000000, + cdata.tot_usecs % 1000000, cdata.tot_count); + + vect_destroy(&cdata.entries, NULL, NULL); } |