dmesg | grep i915 命令用于在 Linux 系统中搜索与 i915 相关的内核日志信息。i915 是Intel 图形驱动的名称,该命令通常用于诊断与 Intel 集成显卡相关的问题。以下是对该命令的详细解释: 命令组成: dmesg:该命令用于显示或控制内核环形缓冲区消息。内核环形缓冲区存储了系统启动以来以及系统运行时的各种内核消息,...
1,901 Views $ dmesg | grep i915 [ 3.232756] snd_hda_intel 0000:00:03.0: Cannot turn on display power on i915 0 Kudos Copy link Reply Luka_K_ Beginner 07-30-2015 01:34 AM 1,901 Views For some reason nomodeset boot flag was active. After removing that line driver is loa...
这是一个例子: AI检测代码解析 $ dmesg|tail | sed -r 's#^\[([0-9]+\.[0-9]+)\](.*)#echo -n "[";echo -n $(date --date="@$(echo "$(grep btime /proc/stat|cut -d " " -f 2)+\1" | bc)" +"%c");echo -n "]";echo -n "\2"#e' [2015-12-09T04:29:20 COT...
/bin/bash # 查找并显示所有错误和警告信息 dmesg | grep -Ei "error|warn" # 查找特定设备的初始化信息 dmesg | grep -i "sda" # 清空内核环缓冲区(谨慎操作) # echo 1 > /proc/sys/kernel/sysrq # echo c > /proc/sysrq-trigger 通过上述方法,可以有效地对Linux系统的dmesg日志进行分析,从而快速...
# chkconfig --list |grep syslog* rsyslog 0:off 1:off 2:on 3:on 4:on 5:on 6:off /var/log/messages /var/log/secure /var/log/maillog /var/log/cron /var/log/spooler /var/log/boot.log 记录当前登录的用户 /var/run/utmp ,u tmp cat /var/run/utmp ...
sh [Fri May 7 18:52:02 2021] [15503] 0 15503 7411 49 17 0 0 ps [Fri May 7 18:52:02 2021] [15504] 0 15504 28204 40 12 0 0 grep [Fri May 7 18:52:02 2021] [15505] 0 15505 28204 39 11 0 0 grep [Fri May 7 18:52:02 2021] [15506] 0 15506 27016 31 10 0 0 wc...
cputime_line=$(grep -m1 ".clock" /proc/sched_debug) if [[ $cputime_line =~ [^0-9]*([0-9]*).* ]]; then cputime=$((BASH_REMATCH[1] / 1000)) fi dmesg | while IFS= read -r line; do if [[ $line =~ ^[ *([0-9]+).[0-9]+] (.*) ]]; then ...