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 11*8d7b77f6SSasha Levin static bool all; 12*8d7b77f6SSasha Levin static u64 instance_pid; 13*8d7b77f6SSasha Levin static const char *instance_name; 14*8d7b77f6SSasha Levin 15c9cba791SPekka Enberg static const char * const debug_usage[] = { 16*8d7b77f6SSasha Levin "kvm debug [--all] [-n name] [-p pid]", 17c9cba791SPekka Enberg NULL 18c9cba791SPekka Enberg }; 19c9cba791SPekka Enberg 20c9cba791SPekka Enberg static const struct option debug_options[] = { 21*8d7b77f6SSasha Levin OPT_GROUP("General options:"), 22*8d7b77f6SSasha Levin OPT_BOOLEAN('a', "all", &all, "Debug all instances"), 23*8d7b77f6SSasha Levin OPT_STRING('n', "name", &instance_name, "name", "Instance name"), 24*8d7b77f6SSasha Levin OPT_U64('p', "pid", &instance_pid, "Instance pid"), 25c9cba791SPekka Enberg OPT_END() 26c9cba791SPekka Enberg }; 27c9cba791SPekka Enberg 28*8d7b77f6SSasha Levin static void parse_debug_options(int argc, const char **argv) 29*8d7b77f6SSasha Levin { 30*8d7b77f6SSasha Levin while (argc != 0) { 31*8d7b77f6SSasha Levin argc = parse_options(argc, argv, debug_options, debug_usage, 32*8d7b77f6SSasha Levin PARSE_OPT_STOP_AT_NON_OPTION); 33*8d7b77f6SSasha Levin if (argc != 0) 34*8d7b77f6SSasha Levin kvm_debug_help(); 35*8d7b77f6SSasha Levin } 36*8d7b77f6SSasha Levin } 37*8d7b77f6SSasha Levin 380725673aSSasha Levin void kvm_debug_help(void) 390725673aSSasha Levin { 400725673aSSasha Levin usage_with_options(debug_usage, debug_options); 410725673aSSasha Levin } 420725673aSSasha Levin 43886af5f2SLiming Wang static int do_debug(const char *name, int pid) 4424e7dbbaSSasha Levin { 45886af5f2SLiming Wang return kill(pid, SIGQUIT); 4624e7dbbaSSasha Levin } 4724e7dbbaSSasha Levin 48ca379b83SPekka Enberg int kvm_cmd_debug(int argc, const char **argv, const char *prefix) 49ca379b83SPekka Enberg { 50*8d7b77f6SSasha Levin parse_debug_options(argc, argv); 516c757e71SSasha Levin 52*8d7b77f6SSasha Levin if (all) 53*8d7b77f6SSasha Levin return kvm__enumerate_instances(do_debug); 54*8d7b77f6SSasha Levin 55*8d7b77f6SSasha Levin if (instance_name == NULL && 56*8d7b77f6SSasha Levin instance_pid == 0) 570725673aSSasha Levin kvm_debug_help(); 586c757e71SSasha Levin 59*8d7b77f6SSasha Levin if (instance_name) 60*8d7b77f6SSasha Levin instance_pid = kvm__get_pid_by_instance(argv[0]); 6124e7dbbaSSasha Levin 62*8d7b77f6SSasha Levin if (instance_pid <= 0) 63*8d7b77f6SSasha Levin die("Failed locating instance"); 646c757e71SSasha Levin 65*8d7b77f6SSasha Levin return kill(instance_pid, SIGQUIT); 66ca379b83SPekka Enberg } 67