On Fri, Sep 15, 2017 at 10:24:15AM +0800, 禹舟键 wrote: > Hi, all. > I want to draw off-cpu flamegraph using perf script on centos6.7(kernel > version, 2.6.32-573), and I found perf script lacks the period data column > on that version. IÂ found two related patches, and modifed > builin-script.c in reference to those patches. > perf script:Add period data column authorJiri Olsa 2014-08-25 16:45:42 > +0200 commit535aeaae7de821ba5d43ee2a204ee667ca95aae4 > perf script: Add period as a default output column > commite8564b710c6df2c3aeb56c507c22f4bcfa4c0b2d) >
I would just compile the newer perf binary for Centos6 and use that. It should work with older kernels too. That's much easier than backporting, and you get many more features. -Andi
