4e14069328
This patch adds CPU utilization measurement and idle cycle rate computation to packet framework. The measurement is done by measuring the cycles spent while a thread pulls zero packet from RX queue. These cycles are treated as idle cycles (or headroom). A CLI command is added to display idle cycle rate of specific thread. The CLI command format is shown as following: t <thread_id> headroom Signed-off-by: Fan Zhang <roy.fan.zhang@intel.com> Acked-by: Cristian Dumitrescu <cristian.dumitrescu@intel.com>
99 lines
2.6 KiB
C
99 lines
2.6 KiB
C
/*-
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* BSD LICENSE
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*
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* Copyright(c) 2010-2015 Intel Corporation. All rights reserved.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef THREAD_H_
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#define THREAD_H_
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#include "app.h"
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#include "pipeline_be.h"
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enum thread_msg_req_type {
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THREAD_MSG_REQ_PIPELINE_ENABLE = 0,
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THREAD_MSG_REQ_PIPELINE_DISABLE,
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THREAD_MSG_REQ_HEADROOM_READ,
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THREAD_MSG_REQS
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};
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struct thread_msg_req {
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enum thread_msg_req_type type;
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};
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struct thread_msg_rsp {
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int status;
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};
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/*
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* PIPELINE ENABLE
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*/
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struct thread_pipeline_enable_msg_req {
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enum thread_msg_req_type type;
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uint32_t pipeline_id;
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void *be;
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pipeline_be_op_run f_run;
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pipeline_be_op_timer f_timer;
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uint64_t timer_period;
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};
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struct thread_pipeline_enable_msg_rsp {
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int status;
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};
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/*
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* PIPELINE DISABLE
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*/
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struct thread_pipeline_disable_msg_req {
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enum thread_msg_req_type type;
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uint32_t pipeline_id;
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};
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struct thread_pipeline_disable_msg_rsp {
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int status;
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};
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/*
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* THREAD HEADROOM
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*/
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struct thread_headroom_read_msg_req {
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enum thread_msg_req_type type;
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};
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struct thread_headroom_read_msg_rsp {
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int status;
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double headroom_ratio;
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};
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#endif /* THREAD_H_ */
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