diff options
| -rw-r--r-- | gdb/ChangeLog | 5 | ||||
| -rw-r--r-- | gdb/remote.c | 5 |
2 files changed, 10 insertions, 0 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 2dce609..d9e676a 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,8 @@ +2019-08-20 Conrad Meyer <cem@FreeBSD.org> + + * remote.c (remote_target::remote_btrace_maybe_reopen): Avoid + unnecessary thread walk if remote doesn't support the packet. + 2019-08-19 Tom Tromey <tromey@adacore.com> * python/py-value.c (value_has_field): Fix indentation. diff --git a/gdb/remote.c b/gdb/remote.c index 7ea9cd4..ae06c4b 100644 --- a/gdb/remote.c +++ b/gdb/remote.c @@ -13700,6 +13700,11 @@ remote_target::remote_btrace_maybe_reopen () int warned = 0; #endif + /* Don't bother walking the entirety of the remote thread list when + we know the feature isn't supported by the remote. */ + if (packet_support (PACKET_qXfer_btrace_conf) != PACKET_ENABLE) + return; + scoped_restore_current_thread restore_thread; for (thread_info *tp : all_non_exited_threads ()) |