[PATCH v2 3/8] perf hisi-ptt: Extract the raw data printing part
From: Sizhe Liu
Date: Thu Aug 27 2026 - 10:06:01 EST
Extract the raw data printing part of the TLP header into
hisi_ptt_print_raw_record() for reuse by subsequent patches that
add field-level parsing of individual DW headers.
Signed-off-by: Sizhe Liu <liusizhe5@xxxxxxxxxx>
---
.../hisi-ptt-decoder/hisi-ptt-pkt-decoder.c | 31 +++++++++----------
1 file changed, 15 insertions(+), 16 deletions(-)
diff --git a/tools/perf/util/hisi-ptt-decoder/hisi-ptt-pkt-decoder.c b/tools/perf/util/hisi-ptt-decoder/hisi-ptt-pkt-decoder.c
index 766665414ad8..23ae99f33c9f 100644
--- a/tools/perf/util/hisi-ptt-decoder/hisi-ptt-pkt-decoder.c
+++ b/tools/perf/util/hisi-ptt-decoder/hisi-ptt-pkt-decoder.c
@@ -79,23 +79,31 @@ static const char * const hisi_ptt_4dw_pkt_field_name[] = {
[HISI_PTT_4DW_HEAD3] = "Header DW3",
};
-static void hisi_ptt_print_pkt(struct hisi_ptt_pkt_buf *pkt_buf,
- const char *desc)
+static void hisi_ptt_print_raw_record(size_t offset, uint32_t value)
{
const char *color = PERF_COLOR_BLUE;
uint8_t byte;
- uint32_t dw;
int i;
- dw = get_unaligned_le32(pkt_buf->buf + pkt_buf->pos);
printf(".");
- color_fprintf(stdout, color, " %08zx: ", pkt_buf->pos);
+ color_fprintf(stdout, color, " %08zx: ", offset);
for (i = 0; i < HISI_PTT_FIELD_LENGTH; i++) {
- byte = (dw >> (24 - i * 8)) & 0xFF;
+ byte = (value >> (24 - i * 8)) & 0xFF;
color_fprintf(stdout, color, "%02x ", byte);
}
for (i = 0; i < HISI_PTT_MAX_SPACE_LEN; i++)
color_fprintf(stdout, color, " ");
+}
+
+static void hisi_ptt_print_pkt(struct hisi_ptt_pkt_buf *pkt_buf,
+ const char *desc)
+{
+ const char *color = PERF_COLOR_BLUE;
+ uint32_t value;
+
+ value = get_unaligned_le32(pkt_buf->buf + pkt_buf->pos);
+ hisi_ptt_print_raw_record(pkt_buf->pos, value);
+
color_fprintf(stdout, color, " %s\n", desc);
pkt_buf->pos += HISI_PTT_FIELD_LENGTH;
}
@@ -120,19 +128,10 @@ static int hisi_ptt_8dw_pkt_desc(struct hisi_ptt_pkt_buf *pkt_buf)
static void hisi_ptt_4dw_print_dw0(struct hisi_ptt_pkt_buf *pkt_buf)
{
const char *color = PERF_COLOR_BLUE;
- uint8_t byte;
uint32_t dw;
- int i;
dw = get_unaligned_le32(pkt_buf->buf + pkt_buf->pos);
- printf(".");
- color_fprintf(stdout, color, " %08zx: ", pkt_buf->pos);
- for (i = 0; i < HISI_PTT_FIELD_LENGTH; i++) {
- byte = (dw >> (24 - i * 8)) & 0xFF;
- color_fprintf(stdout, color, "%02x ", byte);
- }
- for (i = 0; i < HISI_PTT_MAX_SPACE_LEN; i++)
- color_fprintf(stdout, color, " ");
+ hisi_ptt_print_raw_record(pkt_buf->pos, dw);
color_fprintf(stdout, color,
" %s %x %s %x %s %x %s %x %s %x %s %x %s %x %s %x\n",
--
2.33.0