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/**
* Copyright (C) ARM Limited 2012-2014. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
*/
#include "gator_events_mali_common.h"
extern int gator_mali_create_file_system(const char *mali_name, const char *event_name, struct super_block *sb, struct dentry *root, mali_counter *counter, unsigned long *event)
{
int err;
char buf[255];
struct dentry *dir;
/* If the counter name is empty ignore it */
if (strlen(event_name) != 0) {
/* Set up the filesystem entry for this event. */
snprintf(buf, sizeof(buf), "ARM_%s_%s", mali_name, event_name);
dir = gatorfs_mkdir(sb, root, buf);
if (dir == NULL) {
pr_debug("gator: %s: error creating file system for: %s (%s)", mali_name, event_name, buf);
return -1;
}
err = gatorfs_create_ulong(sb, dir, "enabled", &counter->enabled);
if (err != 0) {
pr_debug("gator: %s: error calling gatorfs_create_ulong for: %s (%s)", mali_name, event_name, buf);
return -1;
}
err = gatorfs_create_ro_ulong(sb, dir, "key", &counter->key);
if (err != 0) {
pr_debug("gator: %s: error calling gatorfs_create_ro_ulong for: %s (%s)", mali_name, event_name, buf);
return -1;
}
if (counter->cores != -1) {
err = gatorfs_create_ro_ulong(sb, dir, "cores", &counter->cores);
if (err != 0) {
pr_debug("gator: %s: error calling gatorfs_create_ro_ulong for: %s (%s)", mali_name, event_name, buf);
return -1;
}
}
if (event != NULL) {
err = gatorfs_create_ulong(sb, dir, "event", event);
if (err != 0) {
pr_debug("gator: %s: error calling gatorfs_create_ro_ulong for: %s (%s)", mali_name, event_name, buf);
return -1;
}
}
}
return 0;
}
extern void gator_mali_initialise_counters(mali_counter counters[], unsigned int n_counters)
{
unsigned int cnt;
for (cnt = 0; cnt < n_counters; cnt++) {
mali_counter *counter = &counters[cnt];
counter->key = gator_events_get_key();
counter->enabled = 0;
counter->cores = -1;
}
}
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