tools/perf/util/hisi-ptt-decoder/hisi-ptt-pkt-decoder.c

Source file repositories/reference/linux-study-clean/tools/perf/util/hisi-ptt-decoder/hisi-ptt-pkt-decoder.c

File Facts

System
Linux kernel
Corpus path
tools/perf/util/hisi-ptt-decoder/hisi-ptt-pkt-decoder.c
Extension
.c
Size
4817 bytes
Lines
165
Domain
Support Tooling And Documentation
Bucket
tools
Inferred role
Support Tooling And Documentation: implementation source
Status
source implementation candidate

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

Detected Declarations

Annotated Snippet

if (i == HISI_PTT_8DW_CHK_AND_RSV0 || i == HISI_PTT_8DW_RSV1) {
			pos += HISI_PTT_FIELD_LENTH;
			continue;
		}

		hisi_ptt_print_pkt(buf, pos, hisi_ptt_8dw_pkt_field_name[i]);
		pos += HISI_PTT_FIELD_LENTH;
	}

	return hisi_ptt_pkt_size[HISI_PTT_8DW_PKT];
}

static void hisi_ptt_4dw_print_dw0(const unsigned char *buf, int pos)
{
	const char *color = PERF_COLOR_BLUE;
	union hisi_ptt_4dw dw0;
	int i;

	dw0.value = *(uint32_t *)(buf + pos);
	printf(".");
	color_fprintf(stdout, color, "  %08x: ", pos);
	for (i = 0; i < HISI_PTT_FIELD_LENTH; i++)
		color_fprintf(stdout, color, "%02x ", buf[pos + i]);
	for (i = 0; i < HISI_PTT_MAX_SPACE_LEN; i++)
		color_fprintf(stdout, color, "   ");

	color_fprintf(stdout, color,
		      "  %s %x %s %x %s %x %s %x %s %x %s %x %s %x %s %x\n",
		      "Format", dw0.format, "Type", dw0.type, "T9", dw0.t9,
		      "T8", dw0.t8, "TH", dw0.th, "SO", dw0.so, "Length",
		      dw0.len, "Time", dw0.time);
}

static int hisi_ptt_4dw_kpt_desc(const unsigned char *buf, int pos)
{
	int i;

	hisi_ptt_4dw_print_dw0(buf, pos);
	pos += HISI_PTT_FIELD_LENTH;

	for (i = 0; i < HISI_PTT_4DW_TYPE_MAX; i++) {
		hisi_ptt_print_pkt(buf, pos, hisi_ptt_4dw_pkt_field_name[i]);
		pos += HISI_PTT_FIELD_LENTH;
	}

	return hisi_ptt_pkt_size[HISI_PTT_4DW_PKT];
}

int hisi_ptt_pkt_desc(const unsigned char *buf, int pos, enum hisi_ptt_pkt_type type)
{
	if (type == HISI_PTT_8DW_PKT)
		return hisi_ptt_8dw_kpt_desc(buf, pos);

	return hisi_ptt_4dw_kpt_desc(buf, pos);
}

Annotation

Implementation Notes