linux驅動打印當前進程名命令與 pid
阿新 • • 發佈：2018-08-27
TBase ren pro code cpi 2.4 sin function mac hello.c
#include <linux/kernel.h> /*Needed by all modules*/ #include <linux/module.h> /*Needed for KERN_* */ #include <linux/init.h> /* Needed for the macros */ #include <asm/current.h> #include <linux/sched.h> MODULE_LICENSE("GPL"); static int hello_init(void) { printk(KERN_WARNING "the process is\"%d\"(pid %i)\n",current->comm, current->pid); return 0; } static void hello_exit(void) { printk("Bye, kernel!\n"); } /* main module function*/ module_init(hello_init); module_exit(hello_exit);
root@ubuntu:~/Desktop# insmod ./hello.ko root@ubuntu:~/Desktop# tail /var/log/kern.log Aug 26 07:05:06 ubuntu kernel: [ 38.280651] audit: type=1400 audit(1535292306.730:64): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/sbin/cupsd" pid=2130 comm="apparmor_parser" Aug 26 07:19:41 ubuntu kernel: [ 913.186836] e1000: eth0 NIC Link is Down Aug 26 07:19:45 ubuntu kernel: [ 917.188835] e1000: eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: None Aug 26 07:22:25 ubuntu kernel: [ 1076.499433] e1000: eth0 NIC Link is Down Aug 26 07:22:29 ubuntu kernel: [ 1080.499470] e1000: eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: None Aug 26 07:31:10 ubuntu kernel: [ 1602.402400] hello: module verification failed: signature and/or required key missing - tainting kernel Aug 26 07:31:10 ubuntu kernel: [ 1602.408784] Hello kernel, it‘s 2018! Aug 26 07:31:10 ubuntu kernel: [ 1602.408792] the process is"1383225440"(pid 3571) Aug 26 07:32:39 ubuntu kernel: [ 1691.260987] Bye, kernel! Aug 26 07:33:50 ubuntu kernel: [ 1762.382921] the process is"1656784352"(pid 3890) root@ubuntu:~/Desktop#
lsmod
root@ubuntu:~/Desktop# lsmod Module Size Used by hello 16384 0 coretemp 16384 0 crct10dif_pclmul 16384 0 crc32_pclmul 16384 0 aesni_intel 167936 0 snd_ens1371 28672 0 snd_ac97_codec 131072 1 snd_ens1371 aes_x86_64 20480 1 aesni_intel gameport 16384 1 snd_ens1371 ac97_bus 16384 1 snd_ac97_codec vmw_balloon 16384 0 lrw 16384 1 aesni_intel gf128mul 16384 1 lrw glue_helper 16384 1 aesni_intel ablk_helper 16384 1 aesni_intel snd_pcm 102400 2 snd_ac97_codec,snd_ens1371 cryptd 20480 2 aesni_intel,ablk_helper snd_seq_midi 16384 0 snd_seq_midi_event 16384 1 snd_seq_midi input_leds 16384 0 joydev 20480 0 serio_raw 16384 0 snd_rawmidi 32768 2 snd_ens1371,snd_seq_midi snd_seq 69632 2 snd_seq_midi_event,snd_seq_midi vmwgfx 172032 3 snd_seq_device 16384 3 snd_seq,snd_rawmidi,snd_seq_midi ttm 94208 1 vmwgfx snd_timer 32768 2 snd_pcm,snd_seq btusb 45056 0 drm_kms_helper 126976 1 vmwgfx snd 81920 7 snd_ac97_codec,snd_timer,snd_pcm,snd_seq,snd_rawmidi,snd_ens1371,snd_seq_device btrtl 16384 1 btusb btbcm 16384 1 btusb btintel 16384 1 btusb drm 360448 6 ttm,drm_kms_helper,vmwgfx soundcore 16384 1 snd vmw_vmci 65536 0 i2c_piix4 24576 0 shpchp 36864 0 nfit 32768 0 rfcomm 69632 8 bnep 20480 2 8250_fintek 16384 0 bluetooth 512000 25 bnep,btbcm,btrtl,btusb,rfcomm,btintel binfmt_misc 20480 1 mac_hid 16384 0 parport_pc 32768 0 ppdev 20480 0 lp 20480 0 parport 49152 3 lp,ppdev,parport_pc hid_generic 16384 0 usbhid 49152 0 hid 118784 2 hid_generic,usbhid psmouse 126976 0 mptspi 24576 2 mptscsih 40960 1 mptspi mptbase 98304 2 mptspi,mptscsih ahci 36864 0 libahci 32768 1 ahci e1000 131072 0 scsi_transport_spi 32768 1 mptspi pata_acpi 16384 0 root@ubuntu:~/Desktop#
linux驅動打印當前進程名命令與 pid