write_kafka: Fix misleading indentation

[collectd.git] / src / turbostat.c

diff --git a/src/turbostat.c b/src/turbostat.c
index 80650df..fc1b5dc 100644 (file)
--- a/src/turbostat.c
+++ b/src/turbostat.c
@@ -457,7 +457,7 @@ delta_core(struct core_data *delta, const struct core_data *new, const struct co
  */
 static inline int __attribute__((warn_unused_result))
 delta_thread(struct thread_data *delta, const struct thread_data *new, const struct thread_data *old,
-       const struct core_data *core_delta)
+       const struct core_data *cdelta)
 {
        delta->tsc = new->tsc - old->tsc;
 
@@ -491,12 +491,12 @@ delta_thread(struct thread_data *delta, const struct thread_data *new, const str
         * it is possible for mperf's non-halted cycles + idle states
         * to exceed TSC's all cycles: show c1 = 0% in that case.
         */
-       if ((delta->mperf + core_delta->c3 + core_delta->c6 + core_delta->c7) > delta->tsc)
+       if ((delta->mperf + cdelta->c3 + cdelta->c6 + cdelta->c7) > delta->tsc)
                delta->c1 = 0;
        else {
                /* normal case, derive c1 */
-               delta->c1 = delta->tsc - delta->mperf - core_delta->c3
-                       - core_delta->c6 - core_delta->c7;
+               delta->c1 = delta->tsc - delta->mperf - cdelta->c3
+                       - cdelta->c6 - cdelta->c7;
        }
 
        if (delta->mperf == 0) {
@@ -805,7 +805,7 @@ guess:
  * Identify the functionality of the CPU
  */
 static int __attribute__((warn_unused_result))
-probe_cpu()
+probe_cpu(void)
 {
        unsigned int eax, ebx, ecx, edx, max_level;
        unsigned int fms, family, model;
@@ -1037,6 +1037,7 @@ parse_int_file(const char *fmt, ...)
        }
        if (fscanf(filep, "%d", &value) != 1) {
                ERROR("turbostat plugin: Failed to parse number from '%s'", path);
+               fclose(filep);
                return -1;
        }
        fclose(filep);
@@ -1146,7 +1147,7 @@ allocate_cpu_set(cpu_set_t ** set, size_t * size) {
  * Build a local representation of the cpu distribution
  */
 static int __attribute__((warn_unused_result))
-topology_probe()
+topology_probe(void)
 {
        unsigned int i;
        int ret;
@@ -1253,10 +1254,22 @@ allocate_counters(struct thread_data **threads, struct core_data **cores, struct
        unsigned int i;
        unsigned int total_threads, total_cores;
 
+       if ((topology.num_threads == 0)
+           || (topology.num_cores == 0)
+           || (topology.num_packages == 0))
+       {
+               ERROR ("turbostat plugin: Invalid topology: %u threads, %u cores, %u packages",
+                      topology.num_threads, topology.num_cores, topology.num_packages);
+               return -1;
+       }
+
        total_threads = topology.num_threads * topology.num_cores * topology.num_packages;
        *threads = calloc(total_threads, sizeof(struct thread_data));
        if (*threads == NULL)
-               goto err;
+       {
+               ERROR ("turbostat plugin: calloc failed");
+               return -1;
+       }
 
        for (i = 0; i < total_threads; ++i)
                (*threads)[i].cpu_id = topology.max_cpu_id + 1;
@@ -1264,21 +1277,22 @@ allocate_counters(struct thread_data **threads, struct core_data **cores, struct
        total_cores = topology.num_cores * topology.num_packages;
        *cores = calloc(total_cores, sizeof(struct core_data));
        if (*cores == NULL)
-               goto err_clean_threads;
+       {
+               ERROR ("turbostat plugin: calloc failed");
+               sfree (threads);
+               return -1;
+       }
 
        *packages = calloc(topology.num_packages, sizeof(struct pkg_data));
        if (*packages == NULL)
-               goto err_clean_cores;
+       {
+               ERROR ("turbostat plugin: calloc failed");
+               sfree (cores);
+               sfree (threads);
+               return -1;
+       }
 
        return 0;
-
-err_clean_cores:
-       free(*cores);
-err_clean_threads:
-       free(*threads);
-err:
-       ERROR("turbostat plugin: Failled to allocate memory for counters");
-       return -1;
 }
 
 static void
@@ -1502,7 +1516,7 @@ check_permissions(void)
        }
 
        if (euidaccess("/dev/cpu/0/msr", R_OK)) {
-               WARNING("turbostat plugin: Collectd cannot open"
+               WARNING("turbostat plugin: Collectd cannot open "
                        "/dev/cpu/0/msr. If you don't want to run collectd as "
                        "root, you need to change the ownership (chown) and "
                        "permissions on /dev/cpu/*/msr to allow such access");
@@ -1525,8 +1539,8 @@ turbostat_init(void)
        int ret;
 
        if (stat("/dev/cpu/0/msr", &sb)) {
-               ERROR("turbostat plugin: Initialization failed: /dev/cpu/0/msr"
-                     " does not exist while the CPU supports MSR. You may be "
+               ERROR("turbostat plugin: Initialization failed: /dev/cpu/0/msr "
+                     "does not exist while the CPU supports MSR. You may be "
                      "missing the corresponding kernel module, please try '# "
                      "modprobe msr'");
                return -1;