diff options
| author | Felix Fietkau | 2016-12-14 20:46:58 +0100 |
|---|---|---|
| committer | Johannes Berg | 2016-12-15 11:07:52 +0100 |
| commit | 1109dc392ea0248f7bfca3537011aa7afaa05cee (patch) | |
| tree | cdd84cf8f30810fa3db97a84b1bea082782bface /net/mac80211/rc80211_minstrel_debugfs.c | |
| parent | mac80211: check for MCS in ieee80211_duration before fetching chanctx (diff) | |
| download | kernel-qcow2-linux-1109dc392ea0248f7bfca3537011aa7afaa05cee.tar.gz kernel-qcow2-linux-1109dc392ea0248f7bfca3537011aa7afaa05cee.tar.xz kernel-qcow2-linux-1109dc392ea0248f7bfca3537011aa7afaa05cee.zip | |
mac80211: minstrel: remove cur_prob from debugfs
This field is redundant, because it is simply last success divided by
last attempt count. Removing it from the rate stats struct saves about
1.2 KiB per HT station.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/rc80211_minstrel_debugfs.c')
| -rw-r--r-- | net/mac80211/rc80211_minstrel_debugfs.c | 16 |
1 files changed, 6 insertions, 10 deletions
diff --git a/net/mac80211/rc80211_minstrel_debugfs.c b/net/mac80211/rc80211_minstrel_debugfs.c index 820b0abc9c0d..ca0bafd6a44e 100644 --- a/net/mac80211/rc80211_minstrel_debugfs.c +++ b/net/mac80211/rc80211_minstrel_debugfs.c @@ -75,7 +75,7 @@ minstrel_stats_open(struct inode *inode, struct file *file) { struct minstrel_sta_info *mi = inode->i_private; struct minstrel_debugfs_info *ms; - unsigned int i, tp_max, tp_avg, prob, eprob; + unsigned int i, tp_max, tp_avg, eprob; char *p; ms = kmalloc(2048, GFP_KERNEL); @@ -86,9 +86,9 @@ minstrel_stats_open(struct inode *inode, struct file *file) p = ms->buf; p += sprintf(p, "\n"); p += sprintf(p, - "best __________rate_________ ________statistics________ ________last_______ ______sum-of________\n"); + "best __________rate_________ ________statistics________ ____last_____ ______sum-of________\n"); p += sprintf(p, - "rate [name idx airtime max_tp] [avg(tp) avg(prob) sd(prob)] [prob.|retry|suc|att] [#success | #attempts]\n"); + "rate [name idx airtime max_tp] [avg(tp) avg(prob) sd(prob)] [retry|suc|att] [#success | #attempts]\n"); for (i = 0; i < mi->n_rates; i++) { struct minstrel_rate *mr = &mi->r[i]; @@ -107,17 +107,15 @@ minstrel_stats_open(struct inode *inode, struct file *file) tp_max = minstrel_get_tp_avg(mr, MINSTREL_FRAC(100,100)); tp_avg = minstrel_get_tp_avg(mr, mrs->prob_ewma); - prob = MINSTREL_TRUNC(mrs->cur_prob * 1000); eprob = MINSTREL_TRUNC(mrs->prob_ewma * 1000); p += sprintf(p, "%4u.%1u %4u.%1u %3u.%1u %3u.%1u" - " %3u.%1u %3u %3u %-3u " + " %3u %3u %-3u " "%9llu %-9llu\n", tp_max / 10, tp_max % 10, tp_avg / 10, tp_avg % 10, eprob / 10, eprob % 10, mrs->prob_ewmsd / 10, mrs->prob_ewmsd % 10, - prob / 10, prob % 10, mrs->retry_count, mrs->last_success, mrs->last_attempts, @@ -148,7 +146,7 @@ minstrel_stats_csv_open(struct inode *inode, struct file *file) { struct minstrel_sta_info *mi = inode->i_private; struct minstrel_debugfs_info *ms; - unsigned int i, tp_max, tp_avg, prob, eprob; + unsigned int i, tp_max, tp_avg, eprob; char *p; ms = kmalloc(2048, GFP_KERNEL); @@ -175,16 +173,14 @@ minstrel_stats_csv_open(struct inode *inode, struct file *file) tp_max = minstrel_get_tp_avg(mr, MINSTREL_FRAC(100,100)); tp_avg = minstrel_get_tp_avg(mr, mrs->prob_ewma); - prob = MINSTREL_TRUNC(mrs->cur_prob * 1000); eprob = MINSTREL_TRUNC(mrs->prob_ewma * 1000); - p += sprintf(p, "%u.%u,%u.%u,%u.%u,%u.%u,%u.%u,%u,%u,%u," + p += sprintf(p, "%u.%u,%u.%u,%u.%u,%u.%u,%u,%u,%u," "%llu,%llu,%d,%d\n", tp_max / 10, tp_max % 10, tp_avg / 10, tp_avg % 10, eprob / 10, eprob % 10, mrs->prob_ewmsd / 10, mrs->prob_ewmsd % 10, - prob / 10, prob % 10, mrs->retry_count, mrs->last_success, mrs->last_attempts, |