diff options
Diffstat (limited to 'gdb/maint.c')
| -rw-r--r-- | gdb/maint.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/gdb/maint.c b/gdb/maint.c index ce59ef6..7ab3fdb 100644 --- a/gdb/maint.c +++ b/gdb/maint.c @@ -46,6 +46,10 @@ #include "cli/cli-setshow.h" #include "cli/cli-cmds.h" +#if CXX_STD_THREAD +#include "gdbsupport/thread-pool.h" +#endif + static void maintenance_do_deprecate (const char *, int); /* Access the maintenance subcommands. */ @@ -840,6 +844,30 @@ maintenance_set_profile_cmd (const char *args, int from_tty, error (_("Profiling support is not available on this system.")); } #endif + +static int n_worker_threads = -1; + +/* Update the thread pool for the desired number of threads. */ +static void +update_thread_pool_size () +{ +#if CXX_STD_THREAD + int n_threads = n_worker_threads; + + if (n_threads < 0) + n_threads = std::thread::hardware_concurrency (); + + gdb::thread_pool::g_thread_pool->set_thread_count (n_threads); +#endif +} + +static void +maintenance_set_worker_threads (const char *args, int from_tty, + struct cmd_list_element *c) +{ + update_thread_pool_size (); +} + /* If true, display time usage both at startup and for each command. */ @@ -1313,4 +1341,17 @@ When enabled GDB is profiled."), show_maintenance_profile_p, &maintenance_set_cmdlist, &maintenance_show_cmdlist); + + add_setshow_zuinteger_unlimited_cmd ("worker-threads", + class_maintenance, + &n_worker_threads, _("\ +Set the number of worker threads GDB can use."), _("\ +Show the number of worker threads GDB can use."), _("\ +GDB may use multiple threads to speed up certain CPU-intensive operations,\n\ +such as demangling symbol names."), + maintenance_set_worker_threads, NULL, + &maintenance_set_cmdlist, + &maintenance_show_cmdlist); + + update_thread_pool_size (); } |