Thread (6 messages) 6 messages, 3 authors, 2018-12-13

Re: [PATCH 1/3] mwifiex: debugfs: correct histogram spacing, formatting

From: Joe Perches <joe@perches.com>
Date: 2018-12-03 18:32:58
Also in: lkml

On Fri, 2018-11-30 at 14:53 -0800, Brian Norris wrote:
quoted hunk ↗ jump to hunk
Currently, snippets of this file look like:

rx rates (in Mbps): 0=1M   1=2M2=5.5M  3=11M   4=6M   5=9M  6=12M
7=18M  8=24M  9=36M  10=48M  11=54M12-27=MCS0-15(BW20) 28-43=MCS0-15(BW40)
44-53=MCS0-9(VHT:BW20)54-63=MCS0-9(VHT:BW40)64-73=MCS0-9(VHT:BW80)
...
noise_flr[--96dBm] = 22
noise_flr[--95dBm] = 149
noise_flr[--94dBm] = 9
noise_flr[--93dBm] = 2

We're missing some spaces, and we're adding a minus sign ('-') on values
that are already negative signed integers.

Signed-off-by: Brian Norris <briannorris@chromium.org>
---
 drivers/net/wireless/marvell/mwifiex/debugfs.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/net/wireless/marvell/mwifiex/debugfs.c b/drivers/net/wireless/marvell/mwifiex/debugfs.c
index cce70252fd96..65e48e16cb49 100644
--- a/drivers/net/wireless/marvell/mwifiex/debugfs.c
+++ b/drivers/net/wireless/marvell/mwifiex/debugfs.c
@@ -273,14 +273,14 @@ mwifiex_histogram_read(struct file *file, char __user *ubuf,
 		     "total samples = %d\n",
 		     atomic_read(&phist_data->num_samples));
 
-	p += sprintf(p, "rx rates (in Mbps): 0=1M   1=2M");
+	p += sprintf(p, "rx rates (in Mbps): 0=1M   1=2M ");
 	p += sprintf(p, "2=5.5M  3=11M   4=6M   5=9M  6=12M\n");
-	p += sprintf(p, "7=18M  8=24M  9=36M  10=48M  11=54M");
+	p += sprintf(p, "7=18M  8=24M  9=36M  10=48M  11=54M ");
 	p += sprintf(p, "12-27=MCS0-15(BW20) 28-43=MCS0-15(BW40)\n");
It's be smaller object code and more intelligible source to use
a single coalesced string with one sprintf
quoted hunk ↗ jump to hunk
 	if (ISSUPP_11ACENABLED(priv->adapter->fw_cap_info)) {
-		p += sprintf(p, "44-53=MCS0-9(VHT:BW20)");
-		p += sprintf(p, "54-63=MCS0-9(VHT:BW40)");
+		p += sprintf(p, "44-53=MCS0-9(VHT:BW20) ");
+		p += sprintf(p, "54-63=MCS0-9(VHT:BW40) ");
 		p += sprintf(p, "64-73=MCS0-9(VHT:BW80)\n\n");
 	} else {
 		p += sprintf(p, "\n");
@@ -310,7 +310,7 @@ mwifiex_histogram_read(struct file *file, char __user *ubuf,y 
 	for (i = 0; i < MWIFIEX_MAX_NOISE_FLR; i++) {
 		value = atomic_read(&phist_data->noise_flr[i]);
 		if (value)
-			p += sprintf(p, "noise_flr[-%02ddBm] = %d\n",
+			p += sprintf(p, "noise_flr[%02ddBm] = %d\n",
 				(int)(i-128), value);
 	}
 	for (i = 0; i < MWIFIEX_MAX_SIG_STRENGTH; i++) {
  
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