1 files changed, 0 insertions, 300 deletions
diff --git a/powerpc/pmu/ebb/trace.c b/powerpc/pmu/ebb/trace.c
deleted file mode 100644
index 251e66a..0000000
--- a/powerpc/pmu/ebb/trace.c
+++ /dev/null
@@ -1,300 +0,0 @@
-/*
- * Copyright 2014, Michael Ellerman, IBM Corp.
- * Licensed under GPLv2.
- */
-
-#include <errno.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/mman.h>
-
-#include "trace.h"
-
-
-struct trace_buffer *trace_buffer_allocate(u64 size)
-{
-	struct trace_buffer *tb;
-
-	if (size < sizeof(*tb)) {
-		fprintf(stderr, "Error: trace buffer too small\n");
-		return NULL;
-	}
-
-	tb = mmap(NULL, size, PROT_READ | PROT_WRITE,
-		  MAP_ANONYMOUS | MAP_PRIVATE, -1, 0);
-	if (tb == MAP_FAILED) {
-		perror("mmap");
-		return NULL;
-	}
-
-	tb->size = size;
-	tb->tail = tb->data;
-	tb->overflow = false;
-
-	return tb;
-}
-
-static bool trace_check_bounds(struct trace_buffer *tb, void *p)
-{
-	return p < ((void *)tb + tb->size);
-}
-
-static bool trace_check_alloc(struct trace_buffer *tb, void *p)
-{
-	/*
-	 * If we ever overflowed don't allow any more input. This prevents us
-	 * from dropping a large item and then later logging a small one. The
-	 * buffer should just stop when overflow happened, not be patchy. If
-	 * you're overflowing, make your buffer bigger.
-	 */
-	if (tb->overflow)
-		return false;
-
-	if (!trace_check_bounds(tb, p)) {
-		tb->overflow = true;
-		return false;
-	}
-
-	return true;
-}
-
-static void *trace_alloc(struct trace_buffer *tb, int bytes)
-{
-	void *p, *newtail;
-
-	p = tb->tail;
-	newtail = tb->tail + bytes;
-	if (!trace_check_alloc(tb, newtail))
-		return NULL;
-
-	tb->tail = newtail;
-
-	return p;
-}
-
-static struct trace_entry *trace_alloc_entry(struct trace_buffer *tb, int payload_size)
-{
-	struct trace_entry *e;
-
-	e = trace_alloc(tb, sizeof(*e) + payload_size);
-	if (e)
-		e->length = payload_size;
-
-	return e;
-}
-
-int trace_log_reg(struct trace_buffer *tb, u64 reg, u64 value)
-{
-	struct trace_entry *e;
-	u64 *p;
-
-	e = trace_alloc_entry(tb, sizeof(reg) + sizeof(value));
-	if (!e)
-		return -ENOSPC;
-
-	e->type = TRACE_TYPE_REG;
-	p = (u64 *)e->data;
-	*p++ = reg;
-	*p++ = value;
-
-	return 0;
-}
-
-int trace_log_counter(struct trace_buffer *tb, u64 value)
-{
-	struct trace_entry *e;
-	u64 *p;
-
-	e = trace_alloc_entry(tb, sizeof(value));
-	if (!e)
-		return -ENOSPC;
-
-	e->type = TRACE_TYPE_COUNTER;
-	p = (u64 *)e->data;
-	*p++ = value;
-
-	return 0;
-}
-
-int trace_log_string(struct trace_buffer *tb, char *str)
-{
-	struct trace_entry *e;
-	char *p;
-	int len;
-
-	len = strlen(str);
-
-	/* We NULL terminate to make printing easier */
-	e = trace_alloc_entry(tb, len + 1);
-	if (!e)
-		return -ENOSPC;
-
-	e->type = TRACE_TYPE_STRING;
-	p = (char *)e->data;
-	memcpy(p, str, len);
-	p += len;
-	*p = '\0';
-
-	return 0;
-}
-
-int trace_log_indent(struct trace_buffer *tb)
-{
-	struct trace_entry *e;
-
-	e = trace_alloc_entry(tb, 0);
-	if (!e)
-		return -ENOSPC;
-
-	e->type = TRACE_TYPE_INDENT;
-
-	return 0;
-}
-
-int trace_log_outdent(struct trace_buffer *tb)
-{
-	struct trace_entry *e;
-
-	e = trace_alloc_entry(tb, 0);
-	if (!e)
-		return -ENOSPC;
-
-	e->type = TRACE_TYPE_OUTDENT;
-
-	return 0;
-}
-
-static void trace_print_header(int seq, int prefix)
-{
-	printf("%*s[%d]: ", prefix, "", seq);
-}
-
-static char *trace_decode_reg(int reg)
-{
-	switch (reg) {
-		case 769: return "SPRN_MMCR2"; break;
-		case 770: return "SPRN_MMCRA"; break;
-		case 779: return "SPRN_MMCR0"; break;
-		case 804: return "SPRN_EBBHR"; break;
-		case 805: return "SPRN_EBBRR"; break;
-		case 806: return "SPRN_BESCR"; break;
-		case 800: return "SPRN_BESCRS"; break;
-		case 801: return "SPRN_BESCRSU"; break;
-		case 802: return "SPRN_BESCRR"; break;
-		case 803: return "SPRN_BESCRRU"; break;
-		case 771: return "SPRN_PMC1"; break;
-		case 772: return "SPRN_PMC2"; break;
-		case 773: return "SPRN_PMC3"; break;
-		case 774: return "SPRN_PMC4"; break;
-		case 775: return "SPRN_PMC5"; break;
-		case 776: return "SPRN_PMC6"; break;
-		case 780: return "SPRN_SIAR"; break;
-		case 781: return "SPRN_SDAR"; break;
-		case 768: return "SPRN_SIER"; break;
-	}
-
-	return NULL;
-}
-
-static void trace_print_reg(struct trace_entry *e)
-{
-	u64 *p, *reg, *value;
-	char *name;
-
-	p = (u64 *)e->data;
-	reg = p++;
-	value = p;
-
-	name = trace_decode_reg(*reg);
-	if (name)
-		printf("register %-10s = 0x%016llx\n", name, *value);
-	else
-		printf("register %lld = 0x%016llx\n", *reg, *value);
-}
-
-static void trace_print_counter(struct trace_entry *e)
-{
-	u64 *value;
-
-	value = (u64 *)e->data;
-	printf("counter = %lld\n", *value);
-}
-
-static void trace_print_string(struct trace_entry *e)
-{
-	char *str;
-
-	str = (char *)e->data;
-	puts(str);
-}
-
-#define BASE_PREFIX	2
-#define PREFIX_DELTA	8
-
-static void trace_print_entry(struct trace_entry *e, int seq, int *prefix)
-{
-	switch (e->type) {
-	case TRACE_TYPE_REG:
-		trace_print_header(seq, *prefix);
-		trace_print_reg(e);
-		break;
-	case TRACE_TYPE_COUNTER:
-		trace_print_header(seq, *prefix);
-		trace_print_counter(e);
-		break;
-	case TRACE_TYPE_STRING:
-		trace_print_header(seq, *prefix);
-		trace_print_string(e);
-		break;
-	case TRACE_TYPE_INDENT:
-		trace_print_header(seq, *prefix);
-		puts("{");
-		*prefix += PREFIX_DELTA;
-		break;
-	case TRACE_TYPE_OUTDENT:
-		*prefix -= PREFIX_DELTA;
-		if (*prefix < BASE_PREFIX)
-			*prefix = BASE_PREFIX;
-		trace_print_header(seq, *prefix);
-		puts("}");
-		break;
-	default:
-		trace_print_header(seq, *prefix);
-		printf("entry @ %p type %d\n", e, e->type);
-		break;
-	}
-}
-
-void trace_buffer_print(struct trace_buffer *tb)
-{
-	struct trace_entry *e;
-	int i, prefix;
-	void *p;
-
-	printf("Trace buffer dump:\n");
-	printf("  address  %p \n", tb);
-	printf("  tail     %p\n", tb->tail);
-	printf("  size     %llu\n", tb->size);
-	printf("  overflow %s\n", tb->overflow ? "TRUE" : "false");
-	printf("  Content:\n");
-
-	p = tb->data;
-
-	i = 0;
-	prefix = BASE_PREFIX;
-
-	while (trace_check_bounds(tb, p) && p < tb->tail) {
-		e = p;
-
-		trace_print_entry(e, i, &prefix);
-
-		i++;
-		p = (void *)e + sizeof(*e) + e->length;
-	}
-}
-
-void trace_print_location(struct trace_buffer *tb)
-{
-	printf("Trace buffer 0x%llx bytes @ %p\n", tb->size, tb);
-}