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Diffstat (limited to 'net/mac80211/rc80211_minstrel_debugfs.c')
-rw-r--r--net/mac80211/rc80211_minstrel_debugfs.c125
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);
}