#include <rte_atomic.h>
#include <rte_cycles.h>
#include <rte_ethdev.h>
+#ifdef RTE_LIBRTE_I40E_PMD
#include <rte_pmd_i40e.h>
+#endif
+#include <rte_power.h>
#include <libvirt/libvirt.h>
#include "channel_monitor.h"
for (i = 0; i < pol->pkt.nb_mac_to_monitor; i++) {
RTE_ETH_FOREACH_DEV(x) {
+#ifdef RTE_LIBRTE_I40E_PMD
ret = rte_pmd_i40e_query_vfid_by_mac(x,
(struct rte_ether_addr *)&(pol->pkt.vfid[i]));
+#else
+ ret = -ENOTSUP;
+#endif
if (ret != -EINVAL) {
pol->port[i] = x;
break;
vsi_pkt_count_prev_total = 0;
double rdtsc_curr, rdtsc_diff, diff;
int x;
+#ifdef RTE_LIBRTE_I40E_PMD
struct rte_eth_stats vf_stats;
+#endif
for (x = 0; x < pol->pkt.nb_mac_to_monitor; x++) {
+#ifdef RTE_LIBRTE_I40E_PMD
/*Read vsi stats*/
if (rte_pmd_i40e_get_vf_stats(x, pol->pfid[x], &vf_stats) == 0)
vsi_pkt_count = vf_stats.ipackets;
else
vsi_pkt_count = -1;
+#else
+ vsi_pkt_count = -1;
+#endif
vsi_pkt_total += vsi_pkt_count;
apply_workload_profile(pol);
}
+static int
+write_binary_packet(void *buffer,
+ size_t buffer_len,
+ struct channel_info *chan_info)
+{
+ int ret;
+
+ if (buffer_len == 0 || buffer == NULL)
+ return -1;
+
+ if (chan_info->fd < 0) {
+ RTE_LOG(ERR, CHANNEL_MONITOR, "Channel is not connected\n");
+ return -1;
+ }
+
+ while (buffer_len > 0) {
+ ret = write(chan_info->fd, buffer, buffer_len);
+ if (ret == -1) {
+ if (errno == EINTR)
+ continue;
+ RTE_LOG(ERR, CHANNEL_MONITOR, "Write function failed due to %s.\n",
+ strerror(errno));
+ return -1;
+ }
+ buffer = (char *)buffer + ret;
+ buffer_len -= ret;
+ }
+ return 0;
+}
+
+static int
+send_freq(struct channel_packet *pkt,
+ struct channel_info *chan_info,
+ bool freq_list)
+{
+ unsigned int vcore_id = pkt->resource_id;
+ struct channel_packet_freq_list channel_pkt_freq_list;
+ struct vm_info info;
+
+ if (get_info_vm(pkt->vm_name, &info) != 0)
+ return -1;
+
+ if (!freq_list && vcore_id >= MAX_VCPU_PER_VM)
+ return -1;
+
+ if (!info.allow_query)
+ return -1;
+
+ channel_pkt_freq_list.command = CPU_POWER_FREQ_LIST;
+ channel_pkt_freq_list.num_vcpu = info.num_vcpus;
+
+ if (freq_list) {
+ unsigned int i;
+ for (i = 0; i < info.num_vcpus; i++)
+ channel_pkt_freq_list.freq_list[i] =
+ power_manager_get_current_frequency(info.pcpu_map[i]);
+ } else {
+ channel_pkt_freq_list.freq_list[vcore_id] =
+ power_manager_get_current_frequency(info.pcpu_map[vcore_id]);
+ }
+
+ return write_binary_packet(&channel_pkt_freq_list,
+ sizeof(channel_pkt_freq_list),
+ chan_info);
+}
+
+static int
+send_capabilities(struct channel_packet *pkt,
+ struct channel_info *chan_info,
+ bool list_requested)
+{
+ unsigned int vcore_id = pkt->resource_id;
+ struct channel_packet_caps_list channel_pkt_caps_list;
+ struct vm_info info;
+ struct rte_power_core_capabilities caps;
+ int ret;
+
+ if (get_info_vm(pkt->vm_name, &info) != 0)
+ return -1;
+
+ if (!list_requested && vcore_id >= MAX_VCPU_PER_VM)
+ return -1;
+
+ if (!info.allow_query)
+ return -1;
+
+ channel_pkt_caps_list.command = CPU_POWER_CAPS_LIST;
+ channel_pkt_caps_list.num_vcpu = info.num_vcpus;
+
+ if (list_requested) {
+ unsigned int i;
+ for (i = 0; i < info.num_vcpus; i++) {
+ ret = rte_power_get_capabilities(info.pcpu_map[i],
+ &caps);
+ if (ret == 0) {
+ channel_pkt_caps_list.turbo[i] =
+ caps.turbo;
+ channel_pkt_caps_list.priority[i] =
+ caps.priority;
+ } else
+ return -1;
+
+ }
+ } else {
+ ret = rte_power_get_capabilities(info.pcpu_map[vcore_id],
+ &caps);
+ if (ret == 0) {
+ channel_pkt_caps_list.turbo[vcore_id] =
+ caps.turbo;
+ channel_pkt_caps_list.priority[vcore_id] =
+ caps.priority;
+ } else
+ return -1;
+ }
+
+ return write_binary_packet(&channel_pkt_caps_list,
+ sizeof(channel_pkt_caps_list),
+ chan_info);
+}
+
+static int
+send_ack_for_received_cmd(struct channel_packet *pkt,
+ struct channel_info *chan_info,
+ uint32_t command)
+{
+ pkt->command = command;
+ return write_binary_packet(pkt,
+ sizeof(struct channel_packet),
+ chan_info);
+}
+
static int
process_request(struct channel_packet *pkt, struct channel_info *chan_info)
{
RTE_LOG(DEBUG, CHANNEL_MONITOR, "Processing requested cmd for cpu:%d\n",
core_num);
+ int scale_res;
+ bool valid_unit = true;
+
switch (pkt->unit) {
case(CPU_POWER_SCALE_MIN):
- power_manager_scale_core_min(core_num);
+ scale_res = power_manager_scale_core_min(core_num);
break;
case(CPU_POWER_SCALE_MAX):
- power_manager_scale_core_max(core_num);
+ scale_res = power_manager_scale_core_max(core_num);
break;
case(CPU_POWER_SCALE_DOWN):
- power_manager_scale_core_down(core_num);
+ scale_res = power_manager_scale_core_down(core_num);
break;
case(CPU_POWER_SCALE_UP):
- power_manager_scale_core_up(core_num);
+ scale_res = power_manager_scale_core_up(core_num);
break;
case(CPU_POWER_ENABLE_TURBO):
- power_manager_enable_turbo_core(core_num);
+ scale_res = power_manager_enable_turbo_core(core_num);
break;
case(CPU_POWER_DISABLE_TURBO):
- power_manager_disable_turbo_core(core_num);
+ scale_res = power_manager_disable_turbo_core(core_num);
break;
default:
+ valid_unit = false;
break;
}
+
+ if (valid_unit) {
+ ret = send_ack_for_received_cmd(pkt,
+ chan_info,
+ scale_res >= 0 ?
+ CPU_POWER_CMD_ACK :
+ CPU_POWER_CMD_NACK);
+ if (ret < 0)
+ RTE_LOG(ERR, CHANNEL_MONITOR, "Error during sending ack command.\n");
+ } else
+ RTE_LOG(ERR, CHANNEL_MONITOR, "Unexpected unit type.\n");
+
}
if (pkt->command == PKT_POLICY) {
RTE_LOG(INFO, CHANNEL_MONITOR, "Processing policy request %s\n",
pkt->vm_name);
+ int ret = send_ack_for_received_cmd(pkt,
+ chan_info,
+ CPU_POWER_CMD_ACK);
+ if (ret < 0)
+ RTE_LOG(ERR, CHANNEL_MONITOR, "Error during sending ack command.\n");
update_policy(pkt);
policy_is_set = 1;
}
"Policy %s does not exist\n", pkt->vm_name);
}
+ if (pkt->command == CPU_POWER_QUERY_FREQ_LIST ||
+ pkt->command == CPU_POWER_QUERY_FREQ) {
+
+ RTE_LOG(INFO, CHANNEL_MONITOR,
+ "Frequency for %s requested.\n", pkt->vm_name);
+ int ret = send_freq(pkt,
+ chan_info,
+ pkt->command == CPU_POWER_QUERY_FREQ_LIST);
+ if (ret < 0)
+ RTE_LOG(ERR, CHANNEL_MONITOR, "Error during frequency sending.\n");
+ }
+
+ if (pkt->command == CPU_POWER_QUERY_CAPS_LIST ||
+ pkt->command == CPU_POWER_QUERY_CAPS) {
+
+ RTE_LOG(INFO, CHANNEL_MONITOR,
+ "Capabilities for %s requested.\n", pkt->vm_name);
+ int ret = send_capabilities(pkt,
+ chan_info,
+ pkt->command == CPU_POWER_QUERY_CAPS_LIST);
+ if (ret < 0)
+ RTE_LOG(ERR, CHANNEL_MONITOR, "Error during sending capabilities.\n");
+ }
+
/*
* Return is not checked as channel status may have been set to DISABLED
* from management thread
json_t *root;
json_error_t error;
const char *resource_name;
+ char *start, *end;
+ uint32_t n;
/* read opening brace to closing brace */
"Error validating JSON profile data\n");
break;
}
- process_request(&pkt, chan_info);
+ start = strstr(pkt.vm_name,
+ CHANNEL_MGR_FIFO_PATTERN_NAME);
+ if (start != NULL) {
+ /* move past pattern to start of fifo id */
+ start += strlen(CHANNEL_MGR_FIFO_PATTERN_NAME);
+
+ end = start;
+ n = (uint32_t)strtoul(start, &end, 10);
+
+ if (end[0] == '\0') {
+ /* Add core id to core list */
+ pkt.num_vcpu = 1;
+ pkt.vcpu_to_control[0] = n;
+ process_request(&pkt, chan_info);
+ } else {
+ RTE_LOG(ERR, CHANNEL_MONITOR,
+ "Cannot extract core id from fifo name\n");
+ }
+ } else {
+ process_request(&pkt, chan_info);
+ }
} else {
RTE_LOG(ERR, CHANNEL_MONITOR,
"JSON error on line %d: %s\n",
git.droids-corp.org / dpdk.git / blobdiff