From: Felix Fietkau <nbd@nbd.name>
To: linux-wireless@vger.kernel.org
Cc: johannes@sipsolutions.net
Subject: [PATCH RESEND v2 5/6] mac80211: minstrel_ht: show sampling rates in debugfs
Date: Wed, 27 Jan 2021 06:57:34 +0100 [thread overview]
Message-ID: <20210127055735.78599-5-nbd@nbd.name> (raw)
In-Reply-To: <20210127055735.78599-1-nbd@nbd.name>
This makes it easier to see what rates are going to be tested next
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
v2: fix duplicated line
net/mac80211/rc80211_minstrel_ht_debugfs.c | 18 ++++++++++++++++--
1 file changed, 16 insertions(+), 2 deletions(-)
diff --git a/net/mac80211/rc80211_minstrel_ht_debugfs.c b/net/mac80211/rc80211_minstrel_ht_debugfs.c
index 067d10383fa7..25b8a67a63a4 100644
--- a/net/mac80211/rc80211_minstrel_ht_debugfs.c
+++ b/net/mac80211/rc80211_minstrel_ht_debugfs.c
@@ -32,6 +32,18 @@ minstrel_stats_release(struct inode *inode, struct file *file)
return 0;
}
+static bool
+minstrel_ht_is_sample_rate(struct minstrel_ht_sta *mi, int idx)
+{
+ int type, i;
+
+ for (type = 0; type < ARRAY_SIZE(mi->sample); type++)
+ for (i = 0; i < MINSTREL_SAMPLE_RATES; i++)
+ if (mi->sample[type].cur_sample_rates[i] == idx)
+ return true;
+ return false;
+}
+
static char *
minstrel_ht_stats_dump(struct minstrel_ht_sta *mi, int i, char *p)
{
@@ -84,6 +96,7 @@ minstrel_ht_stats_dump(struct minstrel_ht_sta *mi, int i, char *p)
*(p++) = (idx == mi->max_tp_rate[2]) ? 'C' : ' ';
*(p++) = (idx == mi->max_tp_rate[3]) ? 'D' : ' ';
*(p++) = (idx == mi->max_prob_rate) ? 'P' : ' ';
+ *(p++) = minstrel_ht_is_sample_rate(mi, idx) ? 'S' : ' ';
if (gflags & IEEE80211_TX_RC_MCS) {
p += sprintf(p, " MCS%-2u", (mg->streams - 1) * 8 + j);
@@ -145,9 +158,9 @@ minstrel_ht_stats_open(struct inode *inode, struct file *file)
p += sprintf(p, "\n");
p += sprintf(p,
- " best ____________rate__________ ____statistics___ _____last____ ______sum-of________\n");
+ " best ____________rate__________ ____statistics___ _____last____ ______sum-of________\n");
p += sprintf(p,
- "mode guard # rate [name idx airtime max_tp] [avg(tp) avg(prob)] [retry|suc|att] [#success | #attempts]\n");
+ "mode guard # rate [name idx airtime max_tp] [avg(tp) avg(prob)] [retry|suc|att] [#success | #attempts]\n");
p = minstrel_ht_stats_dump(mi, MINSTREL_CCK_GROUP, p);
for (i = 0; i < MINSTREL_CCK_GROUP; i++)
@@ -228,6 +241,7 @@ minstrel_ht_stats_csv_dump(struct minstrel_ht_sta *mi, int i, char *p)
p += sprintf(p, "%s" ,((idx == mi->max_tp_rate[2]) ? "C" : ""));
p += sprintf(p, "%s" ,((idx == mi->max_tp_rate[3]) ? "D" : ""));
p += sprintf(p, "%s" ,((idx == mi->max_prob_rate) ? "P" : ""));
+ p += sprintf(p, "%s", (minstrel_ht_is_sample_rate(mi, idx) ? "S" : ""));
if (gflags & IEEE80211_TX_RC_MCS) {
p += sprintf(p, ",MCS%-2u,", (mg->streams - 1) * 8 + j);
--
2.28.0
next prev parent reply other threads:[~2021-01-27 6:20 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-27 5:57 [PATCH RESEND v2 1/6] mac80211: minstrel_ht: use bitfields to encode rate indexes Felix Fietkau
2021-01-27 5:57 ` [PATCH RESEND v2 2/6] mac80211: minstrel_ht: update total packets counter in tx status path Felix Fietkau
2021-01-27 5:57 ` [PATCH RESEND v2 3/6] mac80211: minstrel_ht: reduce the need to sample slower rates Felix Fietkau
2021-01-27 5:57 ` [PATCH RESEND v2 4/6] mac80211: minstrel_ht: significantly redesign the rate probing strategy Felix Fietkau
2021-01-27 5:57 ` Felix Fietkau [this message]
2021-01-27 5:57 ` [PATCH RESEND v2 6/6] mac80211: minstrel_ht: remove sample rate switching code for constrained devices Felix Fietkau
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