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| author |   Alexei Starovoitov <ast@fb.com> | 2016-04-18 20:11:50 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2016-04-21 13:48:20 -0400 |
| commit | 85b67bcb7e4a23ced05e7020bf5843b9857f6881 (patch) | |
| tree | 5cb64f3464f1beeed2f950cc3cc2f41b121de2bf /net/ipv4/inet_diag.c | |
| parent | net: dsa: remove tag_protocol from dsa_switch (diff) | |
| download | linux-dev-85b67bcb7e4a23ced05e7020bf5843b9857f6881.tar.xz linux-dev-85b67bcb7e4a23ced05e7020bf5843b9857f6881.zip | |
perf, bpf: minimize the size of perf_trace_() tracepoint handler
move trace_call_bpf() into helper function to minimize the size
of perf_trace_*() tracepoint handlers.
text data bss dec hex filename
10541679 5526646 2945024 19013349 1221ee5 vmlinux_before
10509422 5526646 2945024 18981092 121a0e4 vmlinux_after
It may seem that perf_fetch_caller_regs() can also be moved,
but that is incorrect, since ip/sp will be wrong.
bpf+tracepoint performance is not affected, since
perf_swevent_put_recursion_context() is now inlined.
export_symbol_gpl can also be dropped.
No measurable change in normal perf tracepoints.
Suggested-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/inet_diag.c')
0 files changed, 0 insertions, 0 deletions