perf sort: Add sort option for physical address

Add a new sort option "phys_daddr" for --mem-mode sort.  With this
option applied, perf can sort and report by sample's physical address.

Signed-off-by: Kan Liang <kan.liang@intel.com>
Tested-by: Jiri Olsa <jolsa@redhat.com>
Acked-by: Stephane Eranian <eranian@google.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1504026672-7304-3-git-send-email-kan.liang@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 42 insertions, 0 deletions

diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c
index 12359bd986db..eb3ab902a1c0 100644
--- a/tools/perf/util/sort.c
+++ b/tools/perf/util/sort.c
@@ -1316,6 +1316,47 @@ struct sort_entry sort_mem_dcacheline = {
 };
 
 static int64_t
+sort__phys_daddr_cmp(struct hist_entry *left, struct hist_entry *right)
+{
+	uint64_t l = 0, r = 0;
+
+	if (left->mem_info)
+		l = left->mem_info->daddr.phys_addr;
+	if (right->mem_info)
+		r = right->mem_info->daddr.phys_addr;
+
+	return (int64_t)(r - l);
+}
+
+static int hist_entry__phys_daddr_snprintf(struct hist_entry *he, char *bf,
+					   size_t size, unsigned int width)
+{
+	uint64_t addr = 0;
+	size_t ret = 0;
+	size_t len = BITS_PER_LONG / 4;
+
+	addr = he->mem_info->daddr.phys_addr;
+
+	ret += repsep_snprintf(bf + ret, size - ret, "[%c] ", he->level);
+
+	ret += repsep_snprintf(bf + ret, size - ret, "%-#.*llx", len, addr);
+
+	ret += repsep_snprintf(bf + ret, size - ret, "%-*s", width - ret, "");
+
+	if (ret > width)
+		bf[width] = '\0';
+
+	return width;
+}
+
+struct sort_entry sort_mem_phys_daddr = {
+	.se_header	= "Data Physical Address",
+	.se_cmp		= sort__phys_daddr_cmp,
+	.se_snprintf	= hist_entry__phys_daddr_snprintf,
+	.se_width_idx	= HISTC_MEM_PHYS_DADDR,
+};
+
+static int64_t
 sort__abort_cmp(struct hist_entry *left, struct hist_entry *right)
 {
 	if (!left->branch_info || !right->branch_info)
@@ -1547,6 +1588,7 @@ static struct sort_dimension memory_sort_dimensions[] = {
 	DIM(SORT_MEM_LVL, "mem", sort_mem_lvl),
 	DIM(SORT_MEM_SNOOP, "snoop", sort_mem_snoop),
 	DIM(SORT_MEM_DCACHELINE, "dcacheline", sort_mem_dcacheline),
+	DIM(SORT_MEM_PHYS_DADDR, "phys_daddr", sort_mem_phys_daddr),
 };
 
 #undef DIM