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Allow setting the lock back limit in ovnisort

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Rodrigo Arias 2023-03-24 12:36:57 +01:00 committed by Rodrigo Arias Mallo
parent a04fc71ae9
commit f35741bac7
1 changed files with 8 additions and 2 deletions
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10
src/emu/ovnisort.c
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@ -49,7 +49,7 @@ enum operation_mode { SORT,
static char *tracedir = NULL; static char *tracedir = NULL;
static enum operation_mode operation_mode = SORT; static enum operation_mode operation_mode = SORT;
static const size_t max_look_back = 1000000; static size_t max_look_back = 1000000;
static void static void
ring_reset(struct ring *r) ring_reset(struct ring *r)
@ -404,6 +404,9 @@ usage(void)
rerr(" -c Enable check mode: don't sort, ensure the\n"); rerr(" -c Enable check mode: don't sort, ensure the\n");
rerr(" trace is already sorted.\n"); rerr(" trace is already sorted.\n");
rerr("\n"); rerr("\n");
rerr(" -n Set the number of events to look back.\n");
rerr(" Defaul: %ld\n", max_look_back);
rerr("\n");
rerr(" tracedir The trace directory generated by ovni.\n"); rerr(" tracedir The trace directory generated by ovni.\n");
rerr("\n"); rerr("\n");
@ -415,11 +418,14 @@ parse_args(int argc, char *argv[])
{ {
int opt; int opt;
while ((opt = getopt(argc, argv, "c")) != -1) { while ((opt = getopt(argc, argv, "cn:")) != -1) {
switch (opt) { switch (opt) {
case 'c': case 'c':
operation_mode = CHECK; operation_mode = CHECK;
break; break;
case 'n':
max_look_back = atol(optarg);
break;
default: /* '?' */ default: /* '?' */
usage(); usage();
} }