我正在尝试使用以下命令跟踪多进程:
sudo strace -p1523 -e write -f
但是它输出了很多不必要的信息示例:
[pid 1166] write(6,"\26\3\1\2\0\1\0\1\374\3\3\247\321\336S\265c\321]\322\276\273\361]\24\313e\341c2a\334"...,517) = 517
[pid 1166] write(6,"\26\3\3\0F\20\0\0BA\4\223\26\337\256\244\3429\306p\216\3231Zt\346xhi\343\261\215"...,126) = 126
[pid 1166] write(6,"\27\3\3\1\230D\374\356\350\233O\305K\246\331`\311\300\265y\215\225\201\33\364\335\336\336\231\311z\355"...,413) = 413
[pid 1166] write(6,"\25\3\3\0\32D\374\356\350\233O\305L\357\313\226\302$U?a\304\250s\264\16)\\\315N\270",31) = 31
[pid 1166] write(1,"None\n",5) = 5
如何仅跟踪此正则表达式write\(1,"(.*)",[0-9]*\)
中的文本?
我尝试过:
sudo strace -p1157 -e trace=/write\( -f
#output ------------
strace: regcomp: write(: Unmatched ( or \(
#also
sudo strace -p1157 -e trace=/write\(1.*\).* -f
#output ------------
strace: invalid system call '/write(1.*).*'
strace正则表达式是否有所不同?