Hiroya Ito hiboma
View gist:3d13bcd16a7d758e680e2515b972daf8
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| personality 19 arch/alpha/include/asm/processor.h (current->personality & ADDR_LIMIT_32BIT ? 0x80000000 : 0x00120000000UL) | |
| personality 27 arch/alpha/include/asm/processor.h ((current->personality & ADDR_LIMIT_32BIT) ? 0x40000000 : TASK_SIZE / 2) | |
| personality 1306 arch/alpha/kernel/osf_sys.c if (current->personality & ADDR_LIMIT_32BIT) | |
| personality 1368 arch/alpha/kernel/osf_sys.c if (unlikely(personality(current->personality) == PER_OSF4)) | |
| personality 1380 arch/alpha/kernel/osf_sys.c if (unlikely(personality(current->personality) == PER_OSF4)) | |
| personality 165 arch/arm/include/asm/page.h (((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0) | \ | |
| personality 19 arch/arm/include/asm/processor.h #define STACK_TOP ((current->personality & ADDR_LIMIT_32BIT) ? \ | |
| personality 62 arch/arm/include/asm/processor.h current->personality & FDPIC_FUNCPTRS) { \ | |
| personality 69 arch/arm/include/asm/processor.h if (current->personality & ADDR_LIMIT_32BIT) |
hiboma
/ gist:9a6bd9373f100d94df1f76977e2619d9
Last active Dec 9, 2019
View gist:9a6bd9373f100d94df1f76977e2619d9
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| sun 元気〜？ |
hiboma
/ fsnotify-race.md
Last active Sep 4, 2019
View fsnotify-race.md
Introdcution
fsnotify: Fix fsnotify_mark_connector race
Description
CentOS7.5 + nginx + td-agent + in_tail plugin is able to reproduce this bug
Steps to repdocution
View proc-meminfo-dirty.md
突然のホストダウンで /proc/meminfo の Dirty ページがディスクに同期されず揮発するかどうかの検証
Dirty ページの書き出しを抑えるめちゃくちゃ設定をする
sudo sysctl -w vm.dirty_writeback_centisecs=1000000 # 単位は ms
sudo sysctl -w vm.dirty_expire_centisecs=1000000 # 単位は ms
sudo sysctl -w vm.dirty_background_ratio=99
sudo sysctl -w vm.dirty_ratio=99
```
View thread.c
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| /** | |
| * kthread_stop - stop a thread created by kthread_create(). | |
| * @k: thread created by kthread_create(). | |
| * | |
| * Sets kthread_should_stop() for @k to return true, wakes it, and | |
| * waits for it to exit. This can also be called after kthread_create() | |
| * instead of calling wake_up_process(): the thread will exit without | |
| * calling threadfn(). | |
| * | |
| * If threadfn() may call do_exit() itself, the caller must ensure |
hiboma
/ mogilefs_cpu_usage.pl
Created Oct 2, 2015
View mogilefs_cpu_usage.pl
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| #!/usr/bin/perl | |
| use strict; | |
| use warnings; | |
| use IO::Socket; | |
| my %to_be_aggregated = ( | |
| 'unicorn' => 'unicorn_worker', | |
| 'perl-fcgi' => 'perl-fcgi', | |
| 'mogilefsd' => 'mogilefsd', |
hiboma
/ mogilefs_queryworker.pl
Created Sep 8, 2015
View mogilefs_queryworker.pl
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| #!/usr/bin/perl | |
| use strict; | |
| use warnings; | |
| ::main(@ARGV); | |
| sub print_config { | |
| printf <<"...."; |
View hoge.diff
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| --- /tmp/1.txt 2015-08-28 19:10:53.000000000 +0900 | |
| +++ /tmp/2.txt 2015-08-28 19:11:05.000000000 +0900 | |
| @@ -1,9 +1,5 @@ | |
| aa/01.jpg | |
| aa/02.jpg | |
| aa/03.jpg | |
| -aa/bb/01.jpg | |
| -aa/bb/02.jpg | |
| -aa/bb/03.jpg | |
| -aa/cc/01.jpg |
View diff
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| --- /tmp/1.txt 2015-08-28 19:10:53.000000000 +0900 | |
| +++ /tmp/2.txt 2015-08-28 19:11:05.000000000 +0900 | |
| @@ -1,9 +1,5 @@ | |
| aa/01.jpg | |
| aa/02.jpg | |
| aa/03.jpg | |
| -aa/bb/01.jpg | |
| -aa/bb/02.jpg | |
| -aa/bb/03.jpg | |
| -aa/cc/01.jpg |
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