444ff284c
Denys Vlasenko
2011-01-25
Subject
top: document a debugging script
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Commit Diff GitHub →
procps/top.c+11 -2
| @@ -30,6 +30,15 @@ | |
| * | |
| * Licensed under GPLv2, see file LICENSE in this source tree. | |
| */ | |
| + | /* Howto snapshot /proc for debugging top problems: |
| + | * for f in /proc/[0-9]*""/stat; do |
| + | * n=${f#/proc/} |
| + | * n=${n%/stat}_stat |
| + | * cp $f $n |
| + | * done |
| + | * cp /proc/stat /proc/meminfo . |
| + | * top -bn1 >top.out |
| + | */ |
| #include "libbb.h" | |
| @@ -546,7 +555,7 @@ static NOINLINE void display_process_list(int lines_rem, int scr_width) | |
| pmem_scale /= 4; | |
| pmem_shift -= 2; | |
| } | |
| - | pmem_half = (1U << pmem_shift) / (ENABLE_FEATURE_TOP_DECIMALS? 20 : 2); |
| + | pmem_half = (1U << pmem_shift) / (ENABLE_FEATURE_TOP_DECIMALS ? 20 : 2); |
| #if ENABLE_FEATURE_TOP_CPU_USAGE_PERCENTAGE | |
| busy_jifs = cur_jif.busy - prev_jif.busy; | |
| /* This happens if there were lots of short-lived processes | |
| @@ -577,7 +586,7 @@ static NOINLINE void display_process_list(int lines_rem, int scr_width) | |
| pcpu_scale /= 4; | |
| pcpu_shift -= 2; | |
| } | |
| - | pcpu_half = (1U << pcpu_shift) / (ENABLE_FEATURE_TOP_DECIMALS? 20 : 2); |
| + | pcpu_half = (1U << pcpu_shift) / (ENABLE_FEATURE_TOP_DECIMALS ? 20 : 2); |
| /* printf(" pmem_scale=%u pcpu_scale=%u ", pmem_scale, pcpu_scale); */ | |
| #endif | |