Adding dcacheline dimension key support. It displays cacheline address as hex number.
Using c2c wrapper to standard 'dcacheline' object to defined own header and simple (just address) cacheline output. Link: http://lkml.kernel.org/n/tip-j5enppr8e7h27nskqhgq3...@git.kernel.org Signed-off-by: Jiri Olsa <jo...@kernel.org> --- tools/perf/builtin-c2c.c | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) diff --git a/tools/perf/builtin-c2c.c b/tools/perf/builtin-c2c.c index c21124e6bb63..060ee1050da9 100644 --- a/tools/perf/builtin-c2c.c +++ b/tools/perf/builtin-c2c.c @@ -1,5 +1,6 @@ #include <linux/compiler.h> #include <linux/kernel.h> +#include <linux/stringify.h> #include "util.h" #include "debug.h" #include "builtin.h" @@ -7,6 +8,7 @@ #include "mem-events.h" #include "session.h" #include "hist.h" +#include "sort.h" #include "tool.h" #include "data.h" #include "sort.h" @@ -271,6 +273,33 @@ static int c2c_header(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, return scnprintf(hpp->buf, hpp->size, "%*s", width, text); } +static char *hex_str(u64 val) +{ + static char buf[20]; + + snprintf(buf, 20, "0x%" PRIx64, val); + return buf; +} + +static int64_t +dcacheline_cmp(struct perf_hpp_fmt *fmt __maybe_unused, + struct hist_entry *left, struct hist_entry *right) +{ + return sort__dcacheline_cmp(left, right); +} + +static int dcacheline_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, + struct hist_entry *he) +{ + uint64_t addr = 0; + int width = c2c_width(fmt, hpp, he->hists); + + if (he->mem_info) + addr = cl_address(he->mem_info->daddr.addr); + + return snprintf(hpp->buf, hpp->size, "%*s", width, hex_str(addr)); +} + #define HEADER_LOW(__h) \ { \ .line[1] = { \ @@ -306,12 +335,21 @@ static int c2c_header(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, }, \ } +static struct c2c_dimension dim_dcacheline = { + .header = HEADER_LOW("Cacheline"), + .name = "dcacheline", + .cmp = dcacheline_cmp, + .entry = dcacheline_entry, + .width = 18, +}; + #undef HEADER_LOW #undef HEADER_BOTH #undef HEADER_SPAN #undef HEADER_SPAN_LOW static struct c2c_dimension *dimensions[] = { + &dim_dcacheline, NULL, }; -- 2.7.4
