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-rw-r--r--tools/perf/pmu-events/json.c162
1 files changed, 0 insertions, 162 deletions
diff --git a/tools/perf/pmu-events/json.c b/tools/perf/pmu-events/json.c
deleted file mode 100644
index 0544398d6e2d..000000000000
--- a/tools/perf/pmu-events/json.c
+++ /dev/null
@@ -1,162 +0,0 @@
-/* Parse JSON files using the JSMN parser. */
-
-/*
- * Copyright (c) 2014, Intel Corporation
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
- * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
-
-#include <stdlib.h>
-#include <string.h>
-#include <sys/mman.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <stdio.h>
-#include <errno.h>
-#include <unistd.h>
-#include "jsmn.h"
-#include "json.h"
-#include <linux/kernel.h>
-
-
-static char *mapfile(const char *fn, size_t *size)
-{
- unsigned ps = sysconf(_SC_PAGESIZE);
- struct stat st;
- char *map = NULL;
- int err;
- int fd = open(fn, O_RDONLY);
-
- if (fd < 0 && verbose > 0 && fn) {
- pr_err("Error opening events file '%s': %s\n", fn,
- strerror(errno));
- }
-
- if (fd < 0)
- return NULL;
- err = fstat(fd, &st);
- if (err < 0)
- goto out;
- *size = st.st_size;
- map = mmap(NULL,
- (st.st_size + ps - 1) & ~(ps - 1),
- PROT_READ|PROT_WRITE, MAP_PRIVATE, fd, 0);
- if (map == MAP_FAILED)
- map = NULL;
-out:
- close(fd);
- return map;
-}
-
-static void unmapfile(char *map, size_t size)
-{
- unsigned ps = sysconf(_SC_PAGESIZE);
- munmap(map, roundup(size, ps));
-}
-
-/*
- * Parse json file using jsmn. Return array of tokens,
- * and mapped file. Caller needs to free array.
- */
-jsmntok_t *parse_json(const char *fn, char **map, size_t *size, int *len)
-{
- jsmn_parser parser;
- jsmntok_t *tokens;
- jsmnerr_t res;
- unsigned sz;
-
- *map = mapfile(fn, size);
- if (!*map)
- return NULL;
- /* Heuristic */
- sz = *size * 16;
- tokens = malloc(sz);
- if (!tokens)
- goto error;
- jsmn_init(&parser);
- res = jsmn_parse(&parser, *map, *size, tokens,
- sz / sizeof(jsmntok_t));
- if (res != JSMN_SUCCESS) {
- pr_err("%s: json error %s\n", fn, jsmn_strerror(res));
- goto error_free;
- }
- if (len)
- *len = parser.toknext;
- return tokens;
-error_free:
- free(tokens);
-error:
- unmapfile(*map, *size);
- return NULL;
-}
-
-void free_json(char *map, size_t size, jsmntok_t *tokens)
-{
- free(tokens);
- unmapfile(map, size);
-}
-
-static int countchar(char *map, char c, int end)
-{
- int i;
- int count = 0;
- for (i = 0; i < end; i++)
- if (map[i] == c)
- count++;
- return count;
-}
-
-/* Return line number of a jsmn token */
-int json_line(char *map, jsmntok_t *t)
-{
- return countchar(map, '\n', t->start) + 1;
-}
-
-static const char * const jsmn_types[] = {
- [JSMN_PRIMITIVE] = "primitive",
- [JSMN_ARRAY] = "array",
- [JSMN_OBJECT] = "object",
- [JSMN_STRING] = "string"
-};
-
-#define LOOKUP(a, i) ((i) < (sizeof(a)/sizeof(*(a))) ? ((a)[i]) : "?")
-
-/* Return type name of a jsmn token */
-const char *json_name(jsmntok_t *t)
-{
- return LOOKUP(jsmn_types, t->type);
-}
-
-int json_len(jsmntok_t *t)
-{
- return t->end - t->start;
-}
-
-/* Is string t equal to s? */
-int json_streq(char *map, jsmntok_t *t, const char *s)
-{
- unsigned len = json_len(t);
- return len == strlen(s) && !strncasecmp(map + t->start, s, len);
-}