gitweb.dragonflybsd.org Git - dragonfly.git/commit

author	Matthew Dillon <dillon@apollo.backplane.com>
	Thu, 27 Feb 2020 19:47:15 +0000 (11:47 -0800)
committer	Matthew Dillon <dillon@apollo.backplane.com>
	Thu, 27 Feb 2020 19:47:15 +0000 (11:47 -0800)
commit	91dc43dd1215cf13344c65a8f9478bfd31b95814
tree	7638b7e25a14284bcabffbddbd35a4df6ed57df4	tree \| snapshot
parent	872a09d51adf63b4bdae6adb1d96a53f76e161e2	commit \| diff

flame_graph - Add initial code to support flame graphs

* Add better PC sampling code to the kernel, capable of generating
  call stack traces.

* Implement an initial flame_graph utility.

  flame_graph > /tmp/x.out &
  (let it run a while)

  flame_graph -p < /tmp/x.out

Requested-by: mjg

17 files changed:

sys/cpu/x86_64/include/cpufunc.h		diff \| blob \| blame \| history
sys/dev/crypto/rdrand/rdrand.c		diff \| blob \| blame \| history
sys/kern/kern_clock.c		diff \| blob \| blame \| history
sys/kern/kern_systimer.c		diff \| blob \| blame \| history
sys/platform/pc64/apic/apic_vector.s		diff \| blob \| blame \| history
sys/platform/pc64/conf/files		diff \| blob \| blame \| history
sys/platform/pc64/x86_64/mp_flame.c	[new file with mode: 0644]	blob
sys/platform/pc64/x86_64/mp_machdep.c		diff \| blob \| blame \| history
sys/sys/flame_graph.h	[new file with mode: 0644]	blob
sys/sys/systimer.h		diff \| blob \| blame \| history
usr.bin/Makefile		diff \| blob \| blame \| history
usr.bin/flame_graph/Makefile	[new file with mode: 0644]	blob
usr.bin/flame_graph/collect.c	[new file with mode: 0644]	blob
usr.bin/flame_graph/flame.h	[new file with mode: 0644]	blob
usr.bin/flame_graph/main.c	[new file with mode: 0644]	blob
usr.bin/flame_graph/process.c	[new file with mode: 0644]	blob
usr.bin/systat/symbols.c		diff \| blob \| blame \| history

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