DMESG内核使用规则日期和时间戳日志
以更具人类友好的ISO日期和时间戳格式打印：
$ dmesg --time-format=iso ... 2021-03-14T13:49:21,917805+11:00 sd 3:0:0:0: [sda] Starting disk ...
如何访问DMESG内核日志
只需从控制台提示执行“DMESG”命令：
$ dmesg ... [64283.356724] INFO: task cp:647102 blocked for more than 120 seconds. ... [97931.332991] ACPI: Preparing to enter system sleep state S3 [97931.704526] PM: Saving platform NVS memory [97931.704591] Disabling non-boot CPUs ... [97931.707220] smpboot: CPU 1 is now offline ... [97931.746603] ACPI: Low-level resume complete [97931.746667] PM: Restoring platform NVS memory [97931.748520] Enabling non-boot CPUs ... [97931.748551] x86: Booting SMP configuration: [97931.748551] smpboot: Booting Node 0 Processor 1 ...
日期：2020-07-07 20:56:45 来源：oir作者：oir