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perf script: Support data page size

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Display the data page size if it is available and asked by the user:

Can be configured by the user, for example:

  perf script --fields comm,event,phys_addr,data_page_size
            dtlb mem-loads:uP:        3fec82ea8 4K
            dtlb mem-loads:uP:        3fec82e90 4K
            dtlb mem-loads:uP:        3e23700a4 4K
            dtlb mem-loads:uP:        3fec82f20 4K
            dtlb mem-loads:uP:        3e23700a4 4K
            dtlb mem-loads:uP:        3b4211bec 4K
            dtlb mem-loads:uP:        382205dc0 2M
            dtlb mem-loads:uP:        36fa082c0 2M
            dtlb mem-loads:uP:        377607340 2M
            dtlb mem-loads:uP:        330010180 2M
            dtlb mem-loads:uP:        33200fd80 2M
            dtlb mem-loads:uP:        31b012b80 2M

Signed-off-by: Kan Liang <kan.liang@linux.intel.com>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Stephane Eranian <eranian@google.com>
Cc: Will Deacon <will@kernel.org>
Link: http://lore.kernel.org/lkml/20201216185805.9981-2-kan.liang@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Kan Liang
2020-12-16 10:57:57 -08:00
committed by Arnaldo Carvalho de Melo
parent b53d4872d2
commit 6b9bae63de
4 changed files with 34 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
tools/perf/util/session.c
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@@ -32,6 +32,7 @@
#include "ui/progress.h"
#include "../perf.h"
#include "arch/common.h"
#include "units.h"
#include <internal/lib.h>
#ifdef HAVE_ZSTD_SUPPORT
@@ -1258,10 +1259,19 @@ static void dump_event(struct evlist *evlist, union perf_event *event,
event->header.size, perf_event__name(event->header.type));
}
char *get_page_size_name(u64 size, char *str)
{
if (!size || !unit_number__scnprintf(str, PAGE_SIZE_NAME_LEN, size))
snprintf(str, PAGE_SIZE_NAME_LEN, "%s", "N/A");
return str;
}
static void dump_sample(struct evsel *evsel, union perf_event *event,
struct perf_sample *sample)
{
u64 sample_type;
char str[PAGE_SIZE_NAME_LEN];
if (!dump_trace)
return;
@@ -1296,6 +1306,9 @@ static void dump_sample(struct evsel *evsel, union perf_event *event,
if (sample_type & PERF_SAMPLE_PHYS_ADDR)
printf(" .. phys_addr: 0x%"PRIx64"\n", sample->phys_addr);
if (sample_type & PERF_SAMPLE_DATA_PAGE_SIZE)
printf(" .. data page size: %s\n", get_page_size_name(sample->data_page_size, str));
if (sample_type & PERF_SAMPLE_TRANSACTION)
printf("... transaction: %" PRIx64 "\n", sample->transaction);