diff options
Diffstat (limited to 'tools/sanity_check/systemtest.cpp')
-rw-r--r-- | tools/sanity_check/systemtest.cpp | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/tools/sanity_check/systemtest.cpp b/tools/sanity_check/systemtest.cpp index b7c04a2031..bd873fad41 100644 --- a/tools/sanity_check/systemtest.cpp +++ b/tools/sanity_check/systemtest.cpp @@ -14,7 +14,7 @@ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * * Set of functions to gather system information for the jack setup wizard. - * + * * TODO: Test for rt prio availability * * @author Florian Faber, faber@faberman.de @@ -43,7 +43,7 @@ #include "systemtest.h" /** - * This function checks for the existence of known frequency scaling mechanisms + * This function checks for the existence of known frequency scaling mechanisms * in this system by testing for the availability of scaling governors/ * * @returns 0 if the system has no frequency scaling capabilities non-0 otherwise. @@ -73,13 +73,13 @@ static int read_string(char* filename, char* buf, size_t buflen) { if (-1<fd) { r = read (fd, buf, buflen-1); (void) close(fd); - + if (-1==r) { fprintf(stderr, "Error while reading \"%s\": %s\n", filename, strerror(errno)); exit(EXIT_FAILURE); } } - + return (int) r; } @@ -96,7 +96,7 @@ static int read_int(char* filename, int* value) { /** - * This function determines wether any CPU core uses a variable clock speed if frequency + * This function determines wether any CPU core uses a variable clock speed if frequency * scaling is available. If the governor for all cores is either "powersave" or * "performance", the CPU frequency can be assumed to be static. This is also the case * if scaling_min_freq and scaling_max_freq are set to the same value. @@ -110,7 +110,7 @@ int system_uses_frequencyscaling() { while (!done) { (void) snprintf(filename, 256, "/sys/devices/system/cpu/cpu%d/cpufreq/scaling_governor", cpu); if (0<read_string(filename, buf, 256)) { - if ((0!=strncmp("performance", buf, 11)) && + if ((0!=strncmp("performance", buf, 11)) && (0!=strncmp("powersafe", buf, 9))) { // So it's neither the "performance" nor the "powersafe" governor (void) snprintf(filename, 256, "/sys/devices/system/cpu/cpu%d/cpufreq/scaling_min_freq", cpu); @@ -121,7 +121,7 @@ int system_uses_frequencyscaling() { // wrong governor AND different frequency limits -> scaling return 1; } - } + } } } } else { @@ -130,7 +130,7 @@ int system_uses_frequencyscaling() { } cpu++; } - + // couldn't find anything that points to scaling return 0; } @@ -172,18 +172,18 @@ int system_user_in_group(const char *name) { free(list); return 0; } - + num_groups = getgroups(MAX_GROUPS, list); - + while (i<num_groups) { if (list[i]==gid) { found = 1; i = num_groups; } - + i++; } - + free(list); return found; @@ -254,7 +254,7 @@ int system_user_can_rtprio() { perror("sched_get_priority"); exit(EXIT_FAILURE); } - schparam.sched_priority = min_prio; + schparam.sched_priority = min_prio; if (0 == sched_setscheduler(0, SCHED_FIFO, &schparam)) { // TODO: restore previous state @@ -264,7 +264,7 @@ int system_user_can_rtprio() { exit(EXIT_FAILURE); } return 1; - } + } return 0; } @@ -300,7 +300,7 @@ long long unsigned int system_available_physical_mem() { if (strncmp (buf, "MemTotal:", 9) == 0) { if (sscanf (buf, "%*s %llu", &res) != 1) { perror ("parse error in /proc/meminfo"); - } + } } } else { perror("read from /proc/meminfo"); |