end.dx4 call_graph

gistfile1.txt

root@R4:~# trace-cmd record -p function_graph -g input_action_end_dx4
  plugin 'function_graph'
Hit Ctrl^C to stop recording
^CCPU0 data recorded at offset=0x4b5000
    4096 bytes in size
root@R4:~# trace-cmd report
cpus=1
          <idle>-0     [000]  4724.772017: funcgraph_entry:                   |  input_action_end_dx4() {
          <idle>-0     [000]  4724.772043: funcgraph_entry:                   |    decap_and_validate() {
          <idle>-0     [000]  4724.772043: funcgraph_entry:                   |      get_srh() {
          <idle>-0     [000]  4724.772044: funcgraph_entry:        0.698 us   |        ipv6_find_hdr();
          <idle>-0     [000]  4724.772045: funcgraph_entry:        0.082 us   |        seg6_validate_srh();
          <idle>-0     [000]  4724.772046: funcgraph_exit:         2.053 us   |      }
          <idle>-0     [000]  4724.772046: funcgraph_entry:        0.171 us   |      seg6_hmac_validate_skb();
          <idle>-0     [000]  4724.772046: funcgraph_entry:        0.203 us   |      ipv6_find_hdr();
          <idle>-0     [000]  4724.772047: funcgraph_exit:         3.766 us   |    }
          <idle>-0     [000]  4724.772047: funcgraph_entry:        0.058 us   |    dst_release();
          <idle>-0     [000]  4724.772049: funcgraph_entry:                   |    ip_route_input_noref() {
          <idle>-0     [000]  4724.772049: funcgraph_entry:                   |      ip_route_input_rcu() {
          <idle>-0     [000]  4724.772051: funcgraph_entry:                   |        make_kuid() {
          <idle>-0     [000]  4724.772051: funcgraph_entry:        0.472 us   |          map_id_range_down();
          <idle>-0     [000]  4724.772052: funcgraph_exit:         1.000 us   |        }
          <idle>-0     [000]  4724.772052: funcgraph_entry:        3.247 us   |        fib_table_lookup();
          <idle>-0     [000]  4724.772056: funcgraph_entry:                   |        fib_validate_source() {
          <idle>-0     [000]  4724.772056: funcgraph_entry:        0.053 us   |          l3mdev_master_ifindex_rcu();
          <idle>-0     [000]  4724.772057: funcgraph_entry:                   |          make_kuid() {
          <idle>-0     [000]  4724.772057: funcgraph_entry:        0.055 us   |            map_id_range_down();
          <idle>-0     [000]  4724.772057: funcgraph_exit:         0.457 us   |          }
          <idle>-0     [000]  4724.772058: funcgraph_entry:        0.820 us   |          fib_table_lookup();
          <idle>-0     [000]  4724.772059: funcgraph_entry:        0.105 us   |          l3mdev_master_ifindex_rcu();
          <idle>-0     [000]  4724.772059: funcgraph_exit:         3.146 us   |        }
          <idle>-0     [000]  4724.772060: funcgraph_entry:        0.066 us   |        ip_handle_martian_source.isra.40();
          <idle>-0     [000]  4724.772060: funcgraph_exit:       + 10.579 us  |      }
          <idle>-0     [000]  4724.772060: funcgraph_exit:       + 11.295 us  |    }
          <idle>-0     [000]  4724.772060: funcgraph_entry:                   |    kfree_skb() {
          <idle>-0     [000]  4724.772061: funcgraph_entry:                   |      skb_release_all() {
          <idle>-0     [000]  4724.772061: funcgraph_entry:        0.098 us   |        skb_release_head_state();
          <idle>-0     [000]  4724.772061: funcgraph_entry:                   |        skb_release_data() {
          <idle>-0     [000]  4724.772062: funcgraph_entry:                   |          skb_free_head() {
          <idle>-0     [000]  4724.772062: funcgraph_entry:        0.665 us   |            page_frag_free();
          <idle>-0     [000]  4724.772063: funcgraph_exit:         1.184 us   |          }
          <idle>-0     [000]  4724.772063: funcgraph_exit:         1.788 us   |        }
          <idle>-0     [000]  4724.772063: funcgraph_exit:         2.793 us   |      }
          <idle>-0     [000]  4724.772064: funcgraph_entry:                   |      kfree_skbmem() {
          <idle>-0     [000]  4724.772064: funcgraph_entry:        0.240 us   |        kmem_cache_free();
          <idle>-0     [000]  4724.772065: funcgraph_exit:         0.758 us   |      }
          <idle>-0     [000]  4724.772065: funcgraph_exit:         4.366 us   |    }
          <idle>-0     [000]  4724.772065: funcgraph_exit:       + 23.213 us  |  }