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authorCody P Schafer <cody@linux.vnet.ibm.com>2015-01-30 13:46:01 -0800
committerMichael Ellerman <mpe@ellerman.id.au>2015-02-02 17:56:39 +1100
commit9e9f60108423f18a99c9cc93ef7f23490ecc709b (patch)
tree69bcabb2b279dd0d677a162f68d8095523a73953 /arch/powerpc/perf/req-gen/_request-begin.h
parent5c5cd7b502595f6b90509b8aa4bba6f81b69315c (diff)
powerpc/perf/{hv-gpci, hv-common}: generate requests with counters annotated
This adds (in req-gen/) a framework for defining gpci counter requests. It uses macro magic similar to ftrace. Also convert the existing hv-gpci request structures and enum values to use the new framework (and adjust old users of the structs and enum values to cope with changes in naming). In exchange for this macro disaster, we get autogenerated event listing for GPCI in sysfs, build time field offset checking, and zero duplication of information about GPCI requests. Signed-off-by: Cody P Schafer <cody@linux.vnet.ibm.com> Signed-off-by: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/perf/req-gen/_request-begin.h')
-rw-r--r--arch/powerpc/perf/req-gen/_request-begin.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/powerpc/perf/req-gen/_request-begin.h b/arch/powerpc/perf/req-gen/_request-begin.h
new file mode 100644
index 000000000000..f6d98642cf1d
--- /dev/null
+++ b/arch/powerpc/perf/req-gen/_request-begin.h
@@ -0,0 +1,15 @@
+
+#define REQUEST(r_contents) \
+ REQUEST_(REQUEST_NAME, REQUEST_NUM, REQUEST_IDX_KIND, I(r_contents))
+
+#define __field(f_offset, f_bytes, f_name) \
+ __field_(REQUEST_NAME, REQUEST_NUM, REQUEST_IDX_KIND, \
+ f_offset, f_bytes, f_name)
+
+#define __array(f_offset, f_bytes, f_name) \
+ __array_(REQUEST_NAME, REQUEST_NUM, REQUEST_IDX_KIND, \
+ f_offset, f_bytes, f_name)
+
+#define __count(f_offset, f_bytes, f_name) \
+ __count_(REQUEST_NAME, REQUEST_NUM, REQUEST_IDX_KIND, \
+ f_offset, f_bytes, f_name)