diff options
Diffstat (limited to 'net/mac80211/rc80211_minstrel_debugfs.c')
| -rw-r--r-- | net/mac80211/rc80211_minstrel_debugfs.c | 125 |
1 files changed, 105 insertions, 20 deletions
diff --git a/net/mac80211/rc80211_minstrel_debugfs.c b/net/mac80211/rc80211_minstrel_debugfs.c index 2acab1bcaa4b..1db5f7c3318a 100644 --- a/net/mac80211/rc80211_minstrel_debugfs.c +++ b/net/mac80211/rc80211_minstrel_debugfs.c @@ -54,12 +54,28 @@ #include <net/mac80211.h> #include "rc80211_minstrel.h" +ssize_t +minstrel_stats_read(struct file *file, char __user *buf, size_t len, loff_t *ppos) +{ + struct minstrel_debugfs_info *ms; + + ms = file->private_data; + return simple_read_from_buffer(buf, len, ppos, ms->buf, ms->len); +} + +int +minstrel_stats_release(struct inode *inode, struct file *file) +{ + kfree(file->private_data); + return 0; +} + int 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, prob, eprob; + unsigned int i, tp_max, tp_avg, prob, eprob; char *p; ms = kmalloc(2048, GFP_KERNEL); @@ -68,8 +84,14 @@ minstrel_stats_open(struct inode *inode, struct file *file) file->private_data = ms; p = ms->buf; - p += sprintf(p, "rate tpt eprob *prob" - " *ok(*cum) ok( cum)\n"); + p += sprintf(p, "\n"); + p += sprintf(p, "best __________rate_________ ______" + "statistics______ ________last_______ " + "______sum-of________\n"); + p += sprintf(p, "rate [name idx airtime max_tp] [ ø(tp) ø(prob) " + "sd(prob)] [prob.|retry|suc|att] " + "[#success | #attempts]\n"); + for (i = 0; i < mi->n_rates; i++) { struct minstrel_rate *mr = &mi->r[i]; struct minstrel_rate_stats *mrs = &mi->r[i].stats; @@ -79,18 +101,26 @@ minstrel_stats_open(struct inode *inode, struct file *file) *(p++) = (i == mi->max_tp_rate[2]) ? 'C' : ' '; *(p++) = (i == mi->max_tp_rate[3]) ? 'D' : ' '; *(p++) = (i == mi->max_prob_rate) ? 'P' : ' '; - p += sprintf(p, "%3u%s", mr->bitrate / 2, + + p += sprintf(p, " %3u%s ", mr->bitrate / 2, (mr->bitrate & 1 ? ".5" : " ")); + p += sprintf(p, "%3u ", i); + p += sprintf(p, "%6u ", mr->perfect_tx_time); - tp = MINSTREL_TRUNC(mrs->cur_tp / 10); + 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->probability * 1000); + eprob = MINSTREL_TRUNC(mrs->prob_ewma * 1000); - p += sprintf(p, " %4u.%1u %3u.%1u %3u.%1u" - " %4u(%4u) %9llu(%9llu)\n", - tp / 10, tp % 10, + p += sprintf(p, "%4u.%1u %4u.%1u %3u.%1u %3u.%1u" + " %3u.%1u %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, (unsigned long long)mrs->succ_hist, @@ -107,25 +137,75 @@ minstrel_stats_open(struct inode *inode, struct file *file) return 0; } -ssize_t -minstrel_stats_read(struct file *file, char __user *buf, size_t len, loff_t *ppos) +static const struct file_operations minstrel_stat_fops = { + .owner = THIS_MODULE, + .open = minstrel_stats_open, + .read = minstrel_stats_read, + .release = minstrel_stats_release, + .llseek = default_llseek, +}; + +int +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; + char *p; - ms = file->private_data; - return simple_read_from_buffer(buf, len, ppos, ms->buf, ms->len); -} + ms = kmalloc(2048, GFP_KERNEL); + if (!ms) + return -ENOMEM; + + file->private_data = ms; + p = ms->buf; + + for (i = 0; i < mi->n_rates; i++) { + struct minstrel_rate *mr = &mi->r[i]; + struct minstrel_rate_stats *mrs = &mi->r[i].stats; + + p += sprintf(p, "%s" ,((i == mi->max_tp_rate[0]) ? "A" : "")); + p += sprintf(p, "%s" ,((i == mi->max_tp_rate[1]) ? "B" : "")); + p += sprintf(p, "%s" ,((i == mi->max_tp_rate[2]) ? "C" : "")); + p += sprintf(p, "%s" ,((i == mi->max_tp_rate[3]) ? "D" : "")); + p += sprintf(p, "%s" ,((i == mi->max_prob_rate) ? "P" : "")); + + p += sprintf(p, ",%u%s", mr->bitrate / 2, + (mr->bitrate & 1 ? ".5," : ",")); + p += sprintf(p, "%u,", i); + p += sprintf(p, "%u,",mr->perfect_tx_time); + + 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," + "%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, + (unsigned long long)mrs->succ_hist, + (unsigned long long)mrs->att_hist, + mi->total_packets - mi->sample_packets, + mi->sample_packets); + + } + ms->len = p - ms->buf; + + WARN_ON(ms->len + sizeof(*ms) > 2048); -int -minstrel_stats_release(struct inode *inode, struct file *file) -{ - kfree(file->private_data); return 0; } -static const struct file_operations minstrel_stat_fops = { +static const struct file_operations minstrel_stat_csv_fops = { .owner = THIS_MODULE, - .open = minstrel_stats_open, + .open = minstrel_stats_csv_open, .read = minstrel_stats_read, .release = minstrel_stats_release, .llseek = default_llseek, @@ -138,6 +218,9 @@ minstrel_add_sta_debugfs(void *priv, void *priv_sta, struct dentry *dir) mi->dbg_stats = debugfs_create_file("rc_stats", S_IRUGO, dir, mi, &minstrel_stat_fops); + + mi->dbg_stats_csv = debugfs_create_file("rc_stats_csv", S_IRUGO, dir, + mi, &minstrel_stat_csv_fops); } void @@ -146,4 +229,6 @@ minstrel_remove_sta_debugfs(void *priv, void *priv_sta) struct minstrel_sta_info *mi = priv_sta; debugfs_remove(mi->dbg_stats); + + debugfs_remove(mi->dbg_stats_csv); } |