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MINOR: debug: permit the "debug dev loop" to run under isolation

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Sometimes it's convenient to test the effect of tasks running under
isolation, e.g. to validate the contents of the crash dumps. Let's
add an optional "isolated" keyword to "debug dev loop" for this.
This commit is contained in:
Willy Tarreau 2023-05-04 11:50:26 +02:00
parent b30ced3d88
commit e5e62231d8
1 changed files with 10 additions and 1 deletions
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11
src/debug.c
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@ -526,17 +526,26 @@ static int debug_parse_cli_loop(char **args, char *payload, struct appctx *appct
{
struct timeval deadline, curr;
int loop = atoi(args[3]);
int isolate;
if (!cli_has_level(appctx, ACCESS_LVL_ADMIN))
return 1;
isolate = strcmp(args[4], "isolated") == 0;
_HA_ATOMIC_INC(&debug_commands_issued);
gettimeofday(&curr, NULL);
tv_ms_add(&deadline, &curr, loop);
if (isolate)
thread_isolate();
while (tv_ms_cmp(&curr, &deadline) < 0)
gettimeofday(&curr, NULL);
if (isolate)
thread_release();
return 1;
}
@ -1860,7 +1869,7 @@ static struct cli_kw_list cli_kws = {{ },{
{{ "debug", "dev", "hash", NULL }, "debug dev hash [msg] : return msg hashed if anon is set", debug_parse_cli_hash, NULL, NULL, NULL, 0 },
{{ "debug", "dev", "hex", NULL }, "debug dev hex <addr> [len] : dump a memory area", debug_parse_cli_hex, NULL, NULL, NULL, ACCESS_EXPERT },
{{ "debug", "dev", "log", NULL }, "debug dev log [msg] ... : send this msg to global logs", debug_parse_cli_log, NULL, NULL, NULL, ACCESS_EXPERT },
{{ "debug", "dev", "loop", NULL }, "debug dev loop [ms] : loop this long", debug_parse_cli_loop, NULL, NULL, NULL, ACCESS_EXPERT },
{{ "debug", "dev", "loop", NULL }, "debug dev loop <ms> [isolated] : loop this long, possibly isolated", debug_parse_cli_loop, NULL, NULL, NULL, ACCESS_EXPERT },
#if defined(DEBUG_MEM_STATS)
{{ "debug", "dev", "memstats", NULL }, "debug dev memstats [reset|all|match ...]: dump/reset memory statistics", debug_parse_cli_memstats, debug_iohandler_memstats, debug_release_memstats, NULL, 0 },
#endif