original_kernel/arch/sparc
Liam R. Howlett 48078d2dac sparc/ftrace: Fix ftrace graph time measurement
The ftrace function_graph time measurements of a given function is not
accurate according to those recorded by ftrace using the function
filters.  This change pulls the x86_64 fix from 'commit 722b3c7469
("ftrace/graph: Trace function entry before updating index")' into the
sparc specific prepare_ftrace_return which stops ftrace from
counting interrupted tasks in the time measurement.

Example measurements for select_task_rq_fair running "hackbench 100
process 1000":

              |  tracing/trace_stat/function0  |  function_graph
 Before patch |  2.802 us                      |  4.255 us
 After patch  |  2.749 us                      |  3.094 us

Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-17 12:07:47 -07:00
..
boot
configs
crypto
include sparc: Fix -Wstringop-overflow warning 2017-05-17 12:07:46 -07:00
kernel sparc/ftrace: Fix ftrace graph time measurement 2017-05-17 12:07:47 -07:00
lib sparc64: fix fault handling in NGbzero.S and GENbzero.S 2017-05-09 12:16:25 -07:00
math-emu
mm sparc: Fix -Wstringop-overflow warning 2017-05-17 12:07:46 -07:00
net sparc64: Fix BPF JIT wrt. branches and ldimm64 instructions. 2017-05-01 20:48:36 -07:00
oprofile
power
prom
Kbuild
Kconfig Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2017-05-02 16:40:27 -07:00
Kconfig.debug
Makefile