Commit b54bd9be authored by Cliff Wickman's avatar Cliff Wickman Committed by Ingo Molnar

x86/UV2: Add accounting for BAU strong nacks

This patch adds separate accounting of UV2 message "strong
nack's" in the BAU statistics.
Signed-off-by: default avatarCliff Wickman <cpw@sgi.com>
Link: http://lkml.kernel.org/r/20120116212238.GF5767@sgi.comSigned-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 88ed9dd7
......@@ -483,6 +483,7 @@ struct ptc_stats {
requests */
unsigned long s_stimeout; /* source side timeouts */
unsigned long s_dtimeout; /* destination side timeouts */
unsigned long s_strongnacks; /* number of strong nack's */
unsigned long s_time; /* time spent in sending side */
unsigned long s_retriesok; /* successful retries */
unsigned long s_ntargcpu; /* total number of cpu's
......
......@@ -635,13 +635,15 @@ static int uv2_wait_completion(struct bau_desc *bau_desc,
* our message and its state will stay IDLE.
*/
if ((descriptor_stat == UV2H_DESC_SOURCE_TIMEOUT) ||
(descriptor_stat == UV2H_DESC_DEST_STRONG_NACK) ||
(descriptor_stat == UV2H_DESC_DEST_PUT_ERR)) {
stat->s_stimeout++;
return FLUSH_GIVEUP;
} else if (descriptor_stat == UV2H_DESC_DEST_STRONG_NACK) {
stat->s_strongnacks++;
bcp->conseccompletes = 0;
return FLUSH_GIVEUP;
} else if (descriptor_stat == UV2H_DESC_DEST_TIMEOUT) {
stat->s_dtimeout++;
ttm = get_cycles();
bcp->conseccompletes = 0;
return FLUSH_RETRY_TIMEOUT;
} else {
......@@ -1346,7 +1348,7 @@ static int ptc_seq_show(struct seq_file *file, void *data)
seq_printf(file,
"remotehub numuvhubs numuvhubs16 numuvhubs8 ");
seq_printf(file,
"numuvhubs4 numuvhubs2 numuvhubs1 dto retries rok ");
"numuvhubs4 numuvhubs2 numuvhubs1 dto snacks retries rok ");
seq_printf(file,
"resetp resett giveup sto bz throt swack recv rtime ");
seq_printf(file,
......@@ -1364,10 +1366,10 @@ static int ptc_seq_show(struct seq_file *file, void *data)
stat->s_ntargremotes, stat->s_ntargcpu,
stat->s_ntarglocaluvhub, stat->s_ntargremoteuvhub,
stat->s_ntarguvhub, stat->s_ntarguvhub16);
seq_printf(file, "%ld %ld %ld %ld %ld ",
seq_printf(file, "%ld %ld %ld %ld %ld %ld ",
stat->s_ntarguvhub8, stat->s_ntarguvhub4,
stat->s_ntarguvhub2, stat->s_ntarguvhub1,
stat->s_dtimeout);
stat->s_dtimeout, stat->s_strongnacks);
seq_printf(file, "%ld %ld %ld %ld %ld %ld %ld %ld ",
stat->s_retry_messages, stat->s_retriesok,
stat->s_resets_plug, stat->s_resets_timeout,
......
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