MacOSX使用opensnoop跟踪进程使用情况

Posted by 4Aiur on 09/28/2010 in MacOSX |

MacOSX使用opensnoop跟踪进程使用情况

opensnoop参数如下:

$ opensnoop -hUSAGE: opensnoop [-a|-A|-ceghsvxZ] [-f pathname]
                 [-n name] [-p PID]
       opensnoop                # default output
                -a              # print most data
                -A              # dump all data, space delimited
                -c              # print cwd of process
                -e              # print errno value
                -g              # print command arguments
                -s              # print start time, us
                -v              # print start time, string
                -x              # only print failed opens
                -Z              # print zonename
                -f pathname # pathname name to snoop
                -n name     # process name to snoop
                -p PID      # process ID to snoop
  eg,
       opensnoop -v             # human readable timestamps
       opensnoop -e             # see error codes
       opensnoop -f /etc/motd   # snoop this file only

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