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Sat, 10 Aug 2024 08:40:54 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id aPHFGpYnt2azJAAAD6G6ig (envelope-from ); Sat, 10 Aug 2024 08:40:54 +0000 Date: Sat, 10 Aug 2024 10:41:34 +0200 Message-ID: <87a5hklqgx.wl-tiwai@suse.de> From: Takashi Iwai To: Norman Bintang Cc: LKML , broonie@kernel.org, alsa-devel@alsa-project.org, Takashi Iwai , cujomalainey@chromium.org, Chih-Yang Hsia , David Riley Subject: Re: [PATCH] ALSA: pcm: Add xrun counter for snd_pcm_substream In-Reply-To: <20240809140648.3414349-1-normanbt@chromium.org> References: <20240809140648.3414349-1-normanbt@chromium.org> User-Agent: Wanderlust/2.15.9 (Almost Unreal) Emacs/27.2 Mule/6.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=US-ASCII X-Spam-Level: X-Spamd-Result: default: False [-3.30 / 50.00]; BAYES_HAM(-3.00)[99.99%]; MID_CONTAINS_FROM(1.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_SHORT(-0.20)[-0.993]; MIME_GOOD(-0.10)[text/plain]; RCVD_VIA_SMTP_AUTH(0.00)[]; ARC_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; RCPT_COUNT_SEVEN(0.00)[8]; RCVD_TLS_ALL(0.00)[]; FUZZY_BLOCKED(0.00)[rspamd.com]; TO_DN_SOME(0.00)[]; FROM_HAS_DN(0.00)[]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; FROM_EQ_ENVFROM(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; DBL_BLOCKED_OPENRESOLVER(0.00)[imap1.dmz-prg2.suse.org:helo] X-Spam-Flag: NO X-Spam-Score: -3.30 On Fri, 09 Aug 2024 16:06:45 +0200, Norman Bintang wrote: > > This patch adds an xrun counter to snd_pcm_substream as an alternative > to using logs from XRUN_DEBUG_BASIC. The counter provides a way to track > the number of xrun occurences, accessible through the /proc interface. > > The counter is enabled when CONFIG_SND_PCM_XRUN_DEBUG is set. > > Example output: > > $ cat /proc/asound/card0/pcm9p/sub0/status > > owner_pid : 1425 > trigger_time: 235.248957291 > tstamp : 0.000000000 > delay : 1912 > avail : 480 > avail_max : 1920 > ----- > hw_ptr : 672000 > appl_ptr : 673440 > xrun_counter: 3 # (new row) > > Signed-off-by: Norman Bintang > Reviewed-by: Chih-Yang Hsia > Tested-by: Chih-Yang Hsia > Reviewed-by: David Riley Applied to for-next branch. Thanks. Takashi