xref: /kvmtool/builtin-debug.c (revision 0725673ad39930be912cfcb0600eb4d5f9188b14)
1ca379b83SPekka Enberg #include <kvm/util.h>
2ca379b83SPekka Enberg #include <kvm/kvm-cmd.h>
32a24f96dSSasha Levin #include <kvm/builtin-debug.h>
46c757e71SSasha Levin #include <kvm/kvm.h>
5c9cba791SPekka Enberg #include <kvm/parse-options.h>
66c757e71SSasha Levin 
76c757e71SSasha Levin #include <stdio.h>
86c757e71SSasha Levin #include <string.h>
96c757e71SSasha Levin #include <signal.h>
10ca379b83SPekka Enberg 
11c9cba791SPekka Enberg static const char * const debug_usage[] = {
12c9cba791SPekka Enberg 	"kvm debug <instance name>",
13c9cba791SPekka Enberg 	NULL
14c9cba791SPekka Enberg };
15c9cba791SPekka Enberg 
16c9cba791SPekka Enberg static const struct option debug_options[] = {
17c9cba791SPekka Enberg 	OPT_END()
18c9cba791SPekka Enberg };
19c9cba791SPekka Enberg 
20*0725673aSSasha Levin void kvm_debug_help(void)
21*0725673aSSasha Levin {
22*0725673aSSasha Levin 	usage_with_options(debug_usage, debug_options);
23*0725673aSSasha Levin }
24*0725673aSSasha Levin 
25886af5f2SLiming Wang static int do_debug(const char *name, int pid)
2624e7dbbaSSasha Levin {
27886af5f2SLiming Wang 	return kill(pid, SIGQUIT);
2824e7dbbaSSasha Levin }
2924e7dbbaSSasha Levin 
30ca379b83SPekka Enberg int kvm_cmd_debug(int argc, const char **argv, const char *prefix)
31ca379b83SPekka Enberg {
326c757e71SSasha Levin 	int pid;
336c757e71SSasha Levin 
346c757e71SSasha Levin 	if (argc != 1)
35*0725673aSSasha Levin 		kvm_debug_help();
366c757e71SSasha Levin 
3724e7dbbaSSasha Levin 	if (strcmp(argv[0], "all") == 0) {
38886af5f2SLiming Wang 		return kvm__enumerate_instances(do_debug);
3924e7dbbaSSasha Levin 	}
4024e7dbbaSSasha Levin 
416c757e71SSasha Levin 	pid = kvm__get_pid_by_instance(argv[0]);
426c757e71SSasha Levin 	if (pid < 0)
436c757e71SSasha Levin 		die("Failed locating instance name");
446c757e71SSasha Levin 
456c757e71SSasha Levin 	return kill(pid, SIGQUIT);
46ca379b83SPekka Enberg }
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