void
cpu_check(void)
{
/*
* TODO: - Get numcpus check user load on cpus (not sysload, as it
* includes the idle-loop) report if higher than treshold
*/
struct cpu_state *buf;
//struct cpu_state_pct *cpupct;
//struct cpu_state *total;
#ifdef SOLARIS
int cpu=0, error=0;
ks_chain_update(kc);
for (cpu=0;cpu<numcpus;cpu++) {
buf = get_cpu_data(cpuksp[cpu]);
if (buf == NULL)
error++;
}
#else
buf = get_cpu_data();
dbprintf("CPU: idle: %d user: %d system: %d total %d\n",
buf->idle,
buf->user,
buf->syst,
buf->total
);
free(buf);
#endif
return;
}
/*******************************************************************************
* This function gets the state id of the current cpu from the power state
* parameter saved in the per-cpu data array. Returns PSCI_INVALID_DATA if the
* power state saved is invalid.
******************************************************************************/
int psci_get_suspend_stateid()
{
unsigned int power_state;
power_state = get_cpu_data(psci_svc_cpu_data.power_state);
return ((power_state == PSCI_INVALID_DATA) ?
power_state : psci_get_pstate_id(power_state));
}
/*******************************************************************************
* This function reads the saved highest affinity level which is in OFF
* state. The affinity instance with which the level is associated is determined
* by the caller.
******************************************************************************/
uint32_t psci_get_max_phys_off_afflvl(void)
{
/*
* Ensure that the last update of this value in this cpu's cache is
* flushed to main memory and any speculatively pre-fetched stale copies
* are invalidated from the caches of other cpus in the same coherency
* domain. This ensures that the value is always read from the main
* memory when it was written before the data cache was enabled.
*/
flush_cpu_data(psci_svc_cpu_data.max_phys_off_afflvl);
return get_cpu_data(psci_svc_cpu_data.max_phys_off_afflvl);
}
/*
* Top-level Standard Service SMC handler. This handler will in turn dispatch
* calls to PSCI SMC handler
*/
static uintptr_t std_svc_smc_handler(uint32_t smc_fid,
u_register_t x1,
u_register_t x2,
u_register_t x3,
u_register_t x4,
void *cookie,
void *handle,
u_register_t flags)
{
/*
* Dispatch PSCI calls to PSCI SMC handler and return its return
* value
*/
if (is_psci_fid(smc_fid)) {
uint64_t ret;
#if ENABLE_RUNTIME_INSTRUMENTATION
/*
* Flush cache line so that even if CPU power down happens
* the timestamp update is reflected in memory.
*/
PMF_WRITE_TIMESTAMP(rt_instr_svc,
RT_INSTR_ENTER_PSCI,
PMF_CACHE_MAINT,
get_cpu_data(cpu_data_pmf_ts[CPU_DATA_PMF_TS0_IDX]));
#endif
ret = psci_smc_handler(smc_fid, x1, x2, x3, x4,
cookie, handle, flags);
#if ENABLE_RUNTIME_INSTRUMENTATION
PMF_CAPTURE_TIMESTAMP(rt_instr_svc,
RT_INSTR_EXIT_PSCI,
PMF_NO_CACHE_MAINT);
#endif
SMC_RET1(handle, ret);
}
#if ENABLE_SPM && SPM_DEPRECATED
/*
* Dispatch SPM calls to SPM SMC handler and return its return
* value
*/
if (is_spm_fid(smc_fid)) {
return spm_smc_handler(smc_fid, x1, x2, x3, x4, cookie,
handle, flags);
}
#endif
#if SDEI_SUPPORT
if (is_sdei_fid(smc_fid)) {
return sdei_smc_handler(smc_fid, x1, x2, x3, x4, cookie, handle,
flags);
}
#endif
switch (smc_fid) {
case ARM_STD_SVC_CALL_COUNT:
/*
* Return the number of Standard Service Calls. PSCI is the only
* standard service implemented; so return number of PSCI calls
*/
SMC_RET1(handle, PSCI_NUM_CALLS);
case ARM_STD_SVC_UID:
/* Return UID to the caller */
SMC_UUID_RET(handle, arm_svc_uid);
case ARM_STD_SVC_VERSION:
/* Return the version of current implementation */
SMC_RET2(handle, STD_SVC_VERSION_MAJOR, STD_SVC_VERSION_MINOR);
default:
WARN("Unimplemented Standard Service Call: 0x%x \n", smc_fid);
SMC_RET1(handle, SMC_UNK);
}
}
static pe_exc_data_t *this_cpu_data(void)
{
return &get_cpu_data(ehf_data);
}
int SYSTEM_CPU_UTIL(const char *cmd, const char *param, unsigned flags, AGENT_RESULT *result)
{
unsigned long long cpu_val[4];
unsigned long long interval_size;
char cpuname[MAX_STRING_LEN];
char mode[MAX_STRING_LEN];
int info_id = 0;
int ret = SYSINFO_RET_FAIL;
if(num_param(param) > 2)
{
return SYSINFO_RET_FAIL;
}
if(get_param(param, 1, cpuname, sizeof(cpuname)) != 0)
{
cpuname[0] = '\0';
}
if(cpuname[0] == '\0')
{
/* default parameter */
zbx_snprintf(cpuname, sizeof(cpuname), "all");
}
if(0 == strncmp(cpuname, "all", MAX_STRING_LEN))
{
cpuname[0] = '\0';
}
if(get_param(param, 2, mode, sizeof(mode)) != 0)
{
mode[0] = '\0';
}
if(mode[0] == '\0')
{
/* default parameter */
zbx_snprintf(mode, sizeof(mode),"idle");
}
if(strcmp(mode,"idle") == 0)
{
info_id = CPU_I;
}
else if(strcmp(mode,"user") == 0)
{
info_id = CPU_U;
}
else if(strcmp(mode,"kernel") == 0)
{
info_id = CPU_K;
}
else if(strcmp(mode,"wait") == 0)
{
info_id = CPU_W;
}
else
{
return SYSINFO_RET_FAIL;
}
if (get_cpu_data(cpuname,&cpu_val[CPU_I], &cpu_val[CPU_K], &cpu_val[CPU_U], &cpu_val[CPU_W]))
{
interval_size = cpu_val[CPU_I] + cpu_val[CPU_K] + cpu_val[CPU_U] + cpu_val[CPU_W];
if (interval_size > 0)
{
SET_DBL_RESULT(result, (cpu_val[info_id] * 100.0)/interval_size);
}
else
{
SET_DBL_RESULT(result, 0);
}
ret = SYSINFO_RET_OK;
}
return ret;
}
/*******************************************************************************
* This function returns a pointer to the most recent 'cpu_context' structure
* for the calling CPU that was set as the context for the specified security
* state. NULL is returned if no such structure has been specified.
******************************************************************************/
void *cm_get_context(uint32_t security_state)
{
assert(security_state <= NON_SECURE);
return get_cpu_data(cpu_context[security_state]);
}