diff options
Diffstat (limited to 'gdb/maint.c')
| -rw-r--r-- | gdb/maint.c | 36 |
1 files changed, 28 insertions, 8 deletions
diff --git a/gdb/maint.c b/gdb/maint.c index c6f9b32..78dea22 100644 --- a/gdb/maint.c +++ b/gdb/maint.c @@ -920,9 +920,9 @@ maintenance_show_worker_threads (struct ui_file *file, int from_tty, } -/* If true, display time usage both at startup and for each command. */ +/* See maint.h. */ -static bool per_command_time; +bool per_command_time; /* If true, display space usage both at startup and for each command. */ @@ -1151,10 +1151,32 @@ set_per_command_cmd (const char *args, int from_tty) } } +/* Handle "mt set per-command time". Warn if per-thread run time + information is not possible. */ + +static void +maintenance_set_command_time_cmd (const char *args, int from_tty, + cmd_list_element *c) +{ + /* No point warning if this platform can't use multiple threads at + all. */ +#if CXX_STD_THREAD + static bool already_warned = false; + if (per_command_time + && !get_run_time_thread_scope_available () + && !already_warned) + { + warning (_("\ +per-thread run time information not available on this platform")); + already_warned = true; + } +#endif +} + /* See maint.h. */ -scoped_time_it::scoped_time_it (const char *what) - : m_enabled (per_command_time), +scoped_time_it::scoped_time_it (const char *what, bool enabled) + : m_enabled (enabled), m_what (what), m_start_wall (m_enabled ? std::chrono::steady_clock::now () @@ -1279,9 +1301,7 @@ Selftests have been disabled for this build.\n")); } -void _initialize_maint_cmds (); -void -_initialize_maint_cmds () +INIT_GDB_FILE (maint_cmds) { struct cmd_list_element *cmd; @@ -1423,7 +1443,7 @@ Show whether to display per-command execution time."), _("\ If enabled, the execution time for each command will be\n\ displayed following the command's output."), - NULL, NULL, + maintenance_set_command_time_cmd, NULL, &per_command_setlist, &per_command_showlist); add_setshow_boolean_cmd ("space", class_maintenance, |