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usr / src / sys / contrib / octeon-sdk /

📁 ..
📄 cvmip.h(5.88 KB)
📄 cvmx-abi.h(3.67 KB)
📄 cvmx-access-native.h(26.79 KB)
📄 cvmx-access.h(7.82 KB)
📄 cvmx-address.h(10.26 KB)
📄 cvmx-agl-defs.h(213.66 KB)
📄 cvmx-app-hotplug.c(27.64 KB)
📄 cvmx-app-hotplug.h(5.77 KB)
📄 cvmx-app-init-linux.c(14.29 KB)
📄 cvmx-app-init.c(22.54 KB)
📄 cvmx-app-init.h(19.32 KB)
📄 cvmx-asm.h(39.3 KB)
📄 cvmx-asx0-defs.h(5.19 KB)
📄 cvmx-asxx-defs.h(50.57 KB)
📄 cvmx-atomic.h(21.71 KB)
📄 cvmx-bootloader.h(5.64 KB)
📄 cvmx-bootmem.c(40.91 KB)
📄 cvmx-bootmem.h(18.88 KB)
📄 cvmx-ciu-defs.h(702.5 KB)
📄 cvmx-ciu2-defs.h(487.31 KB)
📄 cvmx-clock.c(4.48 KB)
📄 cvmx-clock.h(4.43 KB)
📄 cvmx-cmd-queue.c(11.84 KB)
📄 cvmx-cmd-queue.h(22 KB)
📄 cvmx-cn3010-evb-hs5.c(6.05 KB)
📄 cvmx-cn3010-evb-hs5.h(2.3 KB)
📄 cvmx-compactflash.c(12.8 KB)
📄 cvmx-compactflash.h(3.05 KB)
📄 cvmx-core.c(5.3 KB)
📄 cvmx-core.h(9.46 KB)
📄 cvmx-coremask.c(4.12 KB)
📄 cvmx-coremask.h(8.11 KB)
📄 cvmx-crypto.c(2.6 KB)
📄 cvmx-crypto.h(2.54 KB)
📄 cvmx-csr-enums.h(8.45 KB)
📄 cvmx-csr-typedefs.h(3.92 KB)
📄 cvmx-csr.h(11.46 KB)
📄 cvmx-dbg-defs.h(6.28 KB)
📄 cvmx-debug-handler.S(7.44 KB)
📄 cvmx-debug-remote.c(3.24 KB)
📄 cvmx-debug-uart.c(7.88 KB)
📄 cvmx-debug.c(55.98 KB)
📄 cvmx-debug.h(22.2 KB)
📄 cvmx-dfa-defs.h(383.08 KB)
📄 cvmx-dfa.c(3.7 KB)
📄 cvmx-dfa.h(34.87 KB)
📄 cvmx-dfm-defs.h(205.93 KB)
📄 cvmx-dma-engine.c(20.25 KB)
📄 cvmx-dma-engine.h(24.06 KB)
📄 cvmx-dpi-defs.h(107.61 KB)
📄 cvmx-ebt3000.c(3.82 KB)
📄 cvmx-ebt3000.h(2.25 KB)
📄 cvmx-endor-defs.h(311.42 KB)
📄 cvmx-eoi-defs.h(26.27 KB)
📄 cvmx-fau.h(20.31 KB)
📄 cvmx-flash.c(22.46 KB)
📄 cvmx-flash.h(3.8 KB)
📄 cvmx-fpa-defs.h(157.78 KB)
📄 cvmx-fpa.c(6.63 KB)
📄 cvmx-fpa.h(10.39 KB)
📄 cvmx-gmx.h(3.07 KB)
📄 cvmx-gmxx-defs.h(505.27 KB)
📄 cvmx-gpio-defs.h(36.89 KB)
📄 cvmx-gpio.h(5.48 KB)
📄 cvmx-helper-board.c(58 KB)
📄 cvmx-helper-board.h(7.82 KB)
📄 cvmx-helper-cfg.c(18.68 KB)
📄 cvmx-helper-cfg.h(8.1 KB)
📄 cvmx-helper-check-defines.h(4.1 KB)
📄 cvmx-helper-errata.c(11.91 KB)
📄 cvmx-helper-errata.h(3.24 KB)
📄 cvmx-helper-fpa.c(8.81 KB)
📄 cvmx-helper-fpa.h(3.21 KB)
📄 cvmx-helper-ilk.c(12.74 KB)
📄 cvmx-helper-ilk.h(3.58 KB)
📄 cvmx-helper-jtag.c(7.05 KB)
📄 cvmx-helper-jtag.h(3.91 KB)
📄 cvmx-helper-loop.c(4.35 KB)
📄 cvmx-helper-loop.h(2.78 KB)
📄 cvmx-helper-npi.c(5.72 KB)
📄 cvmx-helper-npi.h(2.82 KB)
📄 cvmx-helper-rgmii.c(19.12 KB)
📄 cvmx-helper-rgmii.h(4.5 KB)
📄 cvmx-helper-sgmii.c(27.09 KB)
📄 cvmx-helper-sgmii.h(4.3 KB)
📄 cvmx-helper-spi.c(8.4 KB)
📄 cvmx-helper-spi.h(3.68 KB)
📄 cvmx-helper-srio.c(11.58 KB)
📄 cvmx-helper-srio.h(3.6 KB)
📄 cvmx-helper-util.c(25.77 KB)
📄 cvmx-helper-util.h(9.88 KB)
📄 cvmx-helper-xaui.c(16.54 KB)
📄 cvmx-helper-xaui.h(4.29 KB)
📄 cvmx-helper.c(69.71 KB)
📄 cvmx-helper.h(12.7 KB)
📄 cvmx-hfa.c(5.04 KB)
📄 cvmx-hfa.h(10.3 KB)
📄 cvmx-higig.h(23.21 KB)
📄 cvmx-ilk-defs.h(170.31 KB)
📄 cvmx-ilk.c(45.16 KB)
📄 cvmx-ilk.h(5.89 KB)
📄 cvmx-interrupt-handler.S(5.87 KB)
📄 cvmx-interrupt.c(47.42 KB)
📄 cvmx-interrupt.h(8.07 KB)
📄 cvmx-iob-defs.h(89.11 KB)
📄 cvmx-iob1-defs.h(6.8 KB)
📄 cvmx-ipd-defs.h(186.51 KB)
📄 cvmx-ipd.c(12.88 KB)
📄 cvmx-ipd.h(6.3 KB)
📄 cvmx-ixf18201.c(12.8 KB)
📄 cvmx-ixf18201.h(3.54 KB)
📄 cvmx-key-defs.h(11 KB)
📄 cvmx-key.h(3.29 KB)
📄 cvmx-l2c-defs.h(353.27 KB)
📄 cvmx-l2c.c(52.95 KB)
📄 cvmx-l2c.h(19.72 KB)
📄 cvmx-l2d-defs.h(60.71 KB)
📄 cvmx-l2t-defs.h(50.68 KB)
📄 cvmx-led-defs.h(22.68 KB)
📄 cvmx-llm.c(36.51 KB)
📄 cvmx-llm.h(11.72 KB)
📄 cvmx-lmcx-defs.h(532.21 KB)
📄 cvmx-log-arc.S(5.67 KB)
📄 cvmx-log.c(18.26 KB)
📄 cvmx-log.h(4.95 KB)
📁 cvmx-malloc
📄 cvmx-malloc.h(7.2 KB)
📄 cvmx-mdio.h(15.99 KB)
📄 cvmx-mgmt-port.c(36.2 KB)
📄 cvmx-mgmt-port.h(7.23 KB)
📄 cvmx-mio-defs.h(454.14 KB)
📄 cvmx-mixx-defs.h(94.59 KB)
📄 cvmx-mpi-defs.h(33.42 KB)
📄 cvmx-nand.c(76.64 KB)
📄 cvmx-nand.h(26.85 KB)
📄 cvmx-ndf-defs.h(25.53 KB)
📄 cvmx-npei-defs.h(378.19 KB)
📄 cvmx-npi-defs.h(252.36 KB)
📄 cvmx-npi.h(4.69 KB)
📄 cvmx-packet.h(2.94 KB)
📄 cvmx-pci-defs.h(250.53 KB)
📄 cvmx-pci.h(2.37 KB)
📄 cvmx-pcie.c(63 KB)
📄 cvmx-pcie.h(10.08 KB)
📄 cvmx-pcieepx-defs.h(304.49 KB)
📄 cvmx-pciercx-defs.h(284.89 KB)
📄 cvmx-pcm-defs.h(12.34 KB)
📄 cvmx-pcmx-defs.h(46.12 KB)
📄 cvmx-pcsx-defs.h(71.23 KB)
📄 cvmx-pcsxx-defs.h(45.79 KB)
📄 cvmx-pemx-defs.h(68.97 KB)
📄 cvmx-pescx-defs.h(49.92 KB)
📄 cvmx-pexp-defs.h(97.89 KB)
📄 cvmx-pip-defs.h(315.91 KB)
📄 cvmx-pip.h(33.65 KB)
📄 cvmx-pko-defs.h(181.41 KB)
📄 cvmx-pko.c(32 KB)
📄 cvmx-pko.h(31.29 KB)
📄 cvmx-platform.h(7.45 KB)
📄 cvmx-pow-defs.h(93.02 KB)
📄 cvmx-pow.c(32.26 KB)
📄 cvmx-pow.h(100.93 KB)
📄 cvmx-power-throttle.c(7.25 KB)
📄 cvmx-power-throttle.h(3.85 KB)
📄 cvmx-profiler.c(7.81 KB)
📄 cvmx-profiler.h(3.15 KB)
📄 cvmx-qlm-tables.c(35.37 KB)
📄 cvmx-qlm.c(23.41 KB)
📄 cvmx-qlm.h(4.76 KB)
📄 cvmx-rad-defs.h(43.58 KB)
📄 cvmx-raid.c(4.71 KB)
📄 cvmx-raid.h(13.02 KB)
📄 cvmx-resources.config(7.66 KB)
📄 cvmx-rng.h(5.02 KB)
📄 cvmx-rnm-defs.h(13.03 KB)
📄 cvmx-rtc.h(4.21 KB)
📄 cvmx-rwlock.h(5.25 KB)
📄 cvmx-scratch.h(4.76 KB)
📄 cvmx-shared-linux-n32.ld(11.8 KB)
📄 cvmx-shared-linux-o32.ld(10.67 KB)
📄 cvmx-shared-linux.ld(11.77 KB)
📄 cvmx-shmem.c(18.89 KB)
📄 cvmx-shmem.h(4.11 KB)
📄 cvmx-sim-magic.h(5.59 KB)
📄 cvmx-sli-defs.h(312.94 KB)
📄 cvmx-smi-defs.h(4.09 KB)
📄 cvmx-smix-defs.h(21.71 KB)
📄 cvmx-spi.c(24.99 KB)
📄 cvmx-spi.h(10.22 KB)
📄 cvmx-spi4000.c(19.23 KB)
📄 cvmx-spinlock.h(11.73 KB)
📄 cvmx-spx0-defs.h(3.94 KB)
📄 cvmx-spxx-defs.h(62.44 KB)
📄 cvmx-srio.c(63.05 KB)
📄 cvmx-srio.h(26.68 KB)
📄 cvmx-sriomaintx-defs.h(222.52 KB)
📄 cvmx-sriox-defs.h(211.56 KB)
📄 cvmx-srxx-defs.h(14.41 KB)
📄 cvmx-sso-defs.h(87.33 KB)
📄 cvmx-stxx-defs.h(34.02 KB)
📄 cvmx-swap.h(4.11 KB)
📄 cvmx-sysinfo.c(8.78 KB)
📄 cvmx-sysinfo.h(6.45 KB)
📄 cvmx-thunder.c(9.22 KB)
📄 cvmx-thunder.h(4.54 KB)
📄 cvmx-tim-defs.h(58.36 KB)
📄 cvmx-tim.c(10.92 KB)
📄 cvmx-tim.h(12.1 KB)
📄 cvmx-tlb.c(10.12 KB)
📄 cvmx-tlb.h(5.07 KB)
📄 cvmx-tra-defs.h(4.59 KB)
📄 cvmx-tra.c(31.16 KB)
📄 cvmx-tra.h(34.28 KB)
📄 cvmx-trax-defs.h(197.09 KB)
📄 cvmx-twsi.c(16.25 KB)
📄 cvmx-twsi.h(10.22 KB)
📄 cvmx-uahcx-defs.h(181.38 KB)
📄 cvmx-uart.c(5.69 KB)
📄 cvmx-uart.h(4.58 KB)
📄 cvmx-uctlx-defs.h(50.26 KB)
📄 cvmx-usb.c(138.53 KB)
📄 cvmx-usb.h(46.67 KB)
📄 cvmx-usbcx-defs.h(259.23 KB)
📄 cvmx-usbd.c(36.09 KB)
📄 cvmx-usbd.h(9.82 KB)
📄 cvmx-usbnx-defs.h(136.12 KB)
📄 cvmx-utils.h(7.54 KB)
📄 cvmx-version.h(2.23 KB)
📄 cvmx-warn.c(2.75 KB)
📄 cvmx-warn.h(2.43 KB)
📄 cvmx-wqe.h(38.61 KB)
📄 cvmx-zip-defs.h(43.18 KB)
📄 cvmx-zip.c(7.37 KB)
📄 cvmx-zip.h(8.5 KB)
📄 cvmx-zone.c(4.7 KB)
📄 cvmx.h(3.5 KB)
📄 octeon-boot-info.h(8.08 KB)
📄 octeon-feature.c(4.71 KB)
📄 octeon-feature.h(11.94 KB)
📄 octeon-model.c(15.79 KB)
📄 octeon-model.h(16.53 KB)
📄 octeon-pci-console.c(19.73 KB)
📄 octeon-pci-console.h(5.18 KB)

Editing: cvmx-profiler.c

/***********************license start***************
 * Copyright (c) 2011  Cavium Inc. (support@cavium.com). All rights
 * reserved.
 * 
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 * 
 *   * Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *  
 *   * Redistributions in binary form must reproduce the above
 *     copyright notice, this list of conditions and the following
 *     disclaimer in the documentation and/or other materials provided
 *     with the distribution.
 *
 *   * Neither the name of Cavium Inc. nor the names of
 *     its contributors may be used to endorse or promote products
 *     derived from this software without specific prior written
 *     permission.
 *
 * This Software, including technical data, may be subject to U.S. export  control
 * laws, including the U.S. Export Administration Act and its  associated
 * regulations, and may be subject to export or import  regulations in other
 * countries.
 *
 * TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS"
 * AND WITH ALL FAULTS AND CAVIUM INC. MAKES NO PROMISES, REPRESENTATIONS OR
 * WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT TO
 * THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY REPRESENTATION OR
 * DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT DEFECTS, AND CAVIUM
 * SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES OF TITLE,
 * MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR PURPOSE, LACK OF
 * VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, QUIET POSSESSION OR
 * CORRESPONDENCE TO DESCRIPTION. THE ENTIRE  RISK ARISING OUT OF USE OR
 * PERFORMANCE OF THE SOFTWARE LIES WITH YOU.
 ************************license end**************************************/

/**
 * @file
 *
 * Interface to event profiler.
 *
 */

#include "cvmx-config.h"
#include "cvmx.h"
#include "cvmx-interrupt.h"
#include "cvmx-sysinfo.h"
#include "cvmx-coremask.h"
#include "cvmx-spinlock.h"
#include "cvmx-atomic.h"
#if !defined(CVMX_BUILD_FOR_FREEBSD_KERNEL)
#include "cvmx-error.h"
#endif
#include "cvmx-asm.h"
#include "cvmx-bootmem.h"
#include "cvmx-profiler.h"

#ifdef PROFILER_DEBUG
#define PRINTF(fmt, args...)    cvmx_safe_printf(fmt, ##args)
#else
#define PRINTF(fmt, args...)
#endif

CVMX_SHARED static event_counter_control_block_t eccb;
cvmx_config_block_t *pcpu_cfg_blk;

int read_percpu_block = 1;

/**
 * Set Interrupt IRQ line for Performance Counter
 *
 */
void cvmx_update_perfcnt_irq(void)
{
    uint64_t cvmctl;
   
    /* Clear CvmCtl[IPPCI] bit and move the Performance Counter
     * interrupt to IRQ 6
     */
    CVMX_MF_COP0(cvmctl, COP0_CVMCTL);
    cvmctl &= ~(7 << 7);
    cvmctl |= 6 << 7;
    CVMX_MT_COP0(cvmctl, COP0_CVMCTL);
}

/**
 * @INTERNAL
 * Return the baseaddress of the namedblock 
 * @param buf_name  Name of Namedblock
 *
 * @return baseaddress of block on Success, NULL on failure.
 */
static
void *cvmx_get_memory_addr(const char* buf_name)
{
    void *buffer_ptr = NULL;
    const struct cvmx_bootmem_named_block_desc *block_desc = cvmx_bootmem_find_named_block(buf_name);
    if (block_desc)
        buffer_ptr = cvmx_phys_to_ptr(block_desc->base_addr);
    assert (buffer_ptr != NULL);

return buffer_ptr;
}

/**
 * @INTERNAL
 * Initialize the cpu block metadata. 
 * 
 * @param cpu	core no
 * @param size	size of per cpu memory in named block
 *
 */
static
void cvmx_init_pcpu_block(int cpu, int size)
{
    eccb.cfg_blk.pcpu_base_addr[cpu] = (char *)cvmx_get_memory_addr(EVENT_BUFFER_BLOCK) + (size * cpu); 
    assert (eccb.cfg_blk.pcpu_base_addr[cpu] != NULL);

cvmx_ringbuf_t  *cpu_buf = (cvmx_ringbuf_t *) eccb.cfg_blk.pcpu_base_addr[cpu];

cpu_buf->pcpu_blk_info.size = size;
    cpu_buf->pcpu_blk_info.max_samples = ((size - sizeof(cvmx_cpu_event_block_t)) / sizeof(cvmx_sample_entry_t));
    cpu_buf->pcpu_blk_info.sample_count = 0;
    cpu_buf->pcpu_blk_info.sample_read = 0;
    cpu_buf->pcpu_blk_info.data = eccb.cfg_blk.pcpu_base_addr[cpu] + sizeof(cvmx_cpu_event_block_t) + PADBYTES;
    cpu_buf->pcpu_blk_info.head = cpu_buf->pcpu_blk_info.tail = \
       cpu_buf->pcpu_data = cpu_buf->pcpu_blk_info.data;
    cpu_buf->pcpu_blk_info.end = eccb.cfg_blk.pcpu_base_addr[cpu] + size;

cvmx_atomic_set32(&read_percpu_block, 0);

/*
     * Write per cpu mem base address info in to 'event config' named block,
     * This info is needed by oct-remote-profile to get Per cpu memory 
     * base address of each core of the named block.
     */
    pcpu_cfg_blk = (cvmx_config_block_t *) eccb.config_blk_base_addr;
    pcpu_cfg_blk->pcpu_base_addr[cpu] = eccb.cfg_blk.pcpu_base_addr[cpu];
}

/**
 * @INTERNAL
 * Retrieve the info from the 'event_config' named block.
 *
 * Here events value is read(as passed to oct-remote-profile) to reset perf 
 * counters on every Perf counter overflow.
 *
 */
static
void cvmx_read_config_blk(void)
{
    eccb.config_blk_base_addr = (char *)cvmx_get_memory_addr(EVENT_BUFFER_CONFIG_BLOCK);
    memcpy(&(eccb.cfg_blk.events), eccb.config_blk_base_addr + \
       offsetof(cvmx_config_block_t, events), sizeof(int64_t));

cvmx_atomic_set32(&eccb.read_cfg_blk,1);
    PRINTF("cfg_blk.events=%lu, sample_count=%ld\n", eccb.cfg_blk.events, eccb.cfg_blk.sample_count);
}

/**
 * @INTERNAL
 * Add new sample to the buffer and increment the head pointer and 
 * global sample count(i.e sum total of samples collected on all cores) 
 *
 */
static
void cvmx_add_sample_to_buffer(void)
{
    uint32_t epc;
    int cpu = cvmx_get_core_num();
    CVMX_MF_COP0(epc, COP0_EPC);

cvmx_ringbuf_t  *cpu_buf = (cvmx_ringbuf_t *) eccb.cfg_blk.pcpu_base_addr[cpu];

/* 
     * head/tail pointer can be NULL, and this case arises when oct-remote-profile is
     * invoked afresh. To keep memory sane for current instance, we clear namedblock off 
     * previous data and this is accomplished by octeon_remote_write_mem from host.
     */
    if (cvmx_unlikely(!cpu_buf->pcpu_blk_info.head && !cpu_buf->pcpu_blk_info.end)) {
       /* Reread the event count as a different threshold val could be 
        * passed with profiler alongside --events flag */
        cvmx_read_config_blk();
        cvmx_init_pcpu_block(cpu, EVENT_PERCPU_BUFFER_SIZE);
    }

/* In case of hitting end of buffer, reset head,data ptr to start */
    if (cpu_buf->pcpu_blk_info.head == cpu_buf->pcpu_blk_info.end)
        cpu_buf->pcpu_blk_info.head = cpu_buf->pcpu_blk_info.data = cpu_buf->pcpu_data;

/* Store the pc, respective core no.*/
    cvmx_sample_entry_t *sample = (cvmx_sample_entry_t *) cpu_buf->pcpu_blk_info.data;
    sample->pc = epc;
    sample->core = cpu;
  
    /* Update Per CPU stats */
    cpu_buf->pcpu_blk_info.sample_count++;
    cpu_buf->pcpu_blk_info.data += sizeof(cvmx_sample_entry_t);
    cpu_buf->pcpu_blk_info.head = cpu_buf->pcpu_blk_info.data;

/* Increment the global sample count i.e sum total of samples on all cores*/
    cvmx_atomic_add64(&(pcpu_cfg_blk->sample_count), 1);

PRINTF("the core%d:pc 0x%016lx, sample_count=%ld\n", cpu, sample->pc, cpu_buf->pcpu_blk_info.sample_count);
}

/**
 * @INTERNAL
 * Reset performance counters
 *
 * @param pf     The performance counter Number (0, 1)
 * @param events The threshold value for which interrupt has to be asserted
 */
static
void cvmx_reset_perf_counter(int pf, uint64_t events)
{
    uint64_t pfc;
    pfc = (1ull << 63) - events;
 	
    if (!pf) {
        CVMX_MT_COP0(pfc, COP0_PERFVALUE0);
    } else
        CVMX_MT_COP0(pfc, COP0_PERFVALUE1);
}

void cvmx_collect_sample(void)
{
    if (!eccb.read_cfg_blk)
        cvmx_read_config_blk();

if (read_percpu_block)
        cvmx_init_pcpu_block(cvmx_get_core_num(), EVENT_PERCPU_BUFFER_SIZE);

cvmx_add_sample_to_buffer();
    cvmx_reset_perf_counter(0, eccb.cfg_blk.events);
}

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Editing: cvmx-profiler.c

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