PM / devfreq: Modify the indentation of trans_stat sysfs for readability
authorChanwoo Choi <cw00.choi@samsung.com>
Thu, 19 Nov 2015 07:28:46 +0000 (16:28 +0900)
committerMyungJoo Ham <myungjoo.ham@samsung.com>
Wed, 13 Jan 2016 08:30:33 +0000 (17:30 +0900)
This patch modifies the indentation of 'trans_stat' sysfs to improve readability.
The 1GHz is 1000,000,000. So it needs the least 10 position to show the GHz unit.

- Before apply this patch,
-sh-3.2# cat trans_stat
   From  :   To
         :50000000100000000133000000200000000400000000   time(ms)
*50000000:       0       0       0       0       7   1817635
 100000000:       4       0       0       0       4      1590
 133000000:       1       4       0       0       7       975
 200000000:       2       2       7       0       1      2655
 400000000:       0       2       5      12       0      1860
Total transition : 58

- After apply this patch,
-sh-3.2# cat trans_stat
     From  :   To
           :  50000000 100000000 133000000 200000000 400000000   time(ms)
*  50000000:         0         0         0         0         7     14405
  100000000:         4         0         0         0         3      2015
  133000000:         2         3         0         0         7      1020
  200000000:         1         2         7         0         0      2970
  400000000:         0         2         5        10         0      1575
Total transition : 53

Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
drivers/devfreq/devfreq.c

index f3ee2388bf6e3b20c0c297569f74cb4fd59513d7..d36fa2db4d29aa8e871de8d4b56d03e0ccafdd5b 100644 (file)
@@ -1050,10 +1050,10 @@ static ssize_t trans_stat_show(struct device *dev,
                        devfreq_update_status(devfreq, devfreq->previous_freq))
                return 0;
 
-       len = sprintf(buf, "   From  :   To\n");
-       len += sprintf(buf + len, "         :");
+       len = sprintf(buf, "     From  :   To\n");
+       len += sprintf(buf + len, "           :");
        for (i = 0; i < max_state; i++)
-               len += sprintf(buf + len, "%8lu",
+               len += sprintf(buf + len, "%10lu",
                                devfreq->profile->freq_table[i]);
 
        len += sprintf(buf + len, "   time(ms)\n");
@@ -1065,10 +1065,10 @@ static ssize_t trans_stat_show(struct device *dev,
                } else {
                        len += sprintf(buf + len, " ");
                }
-               len += sprintf(buf + len, "%8lu:",
+               len += sprintf(buf + len, "%10lu:",
                                devfreq->profile->freq_table[i]);
                for (j = 0; j < max_state; j++)
-                       len += sprintf(buf + len, "%8u",
+                       len += sprintf(buf + len, "%10u",
                                devfreq->trans_table[(i * max_state) + j]);
                len += sprintf(buf + len, "%10u\n",
                        jiffies_to_msecs(devfreq->time_in_state[i]));