[PATCH -tip 2/2] ftrace: Introduce nr_saved_cmdlines I/F

2013-11-07 Thread Yoshihiro YUNOMAE
Introduce nr_saved_cmdlines I/F for changing the number of pid-comm list. saved_cmdlines can store 128 command names using SAVED_CMDLINES now, but 'no-existing processes' names are often lost in saved_cmdlines when we read trace data. So, by introducing nr_saved_cmdlines I/F, the rule storing 128

[PATCH -tip 2/2] ftrace: Introduce nr_saved_cmdlines I/F

2013-11-07 Thread Yoshihiro YUNOMAE
Introduce nr_saved_cmdlines I/F for changing the number of pid-comm list. saved_cmdlines can store 128 command names using SAVED_CMDLINES now, but 'no-existing processes' names are often lost in saved_cmdlines when we read trace data. So, by introducing nr_saved_cmdlines I/F, the rule storing 128