linux-imx

// SPDX-License-Identifier: GPL-2.0

/*

 * Copyright (c) 2000-2003,2005 Silicon Graphics, Inc.

 * All Rights Reserved.

 */

#include "xfs.h"

#include <linux/proc_fs.h>

​

struct xstats xfsstats;

​

static int counter_val(struct xfsstats __percpu *stats, int idx)

{

    int val = 0, cpu;

​

    for_each_possible_cpu(cpu)

        val += *(((__u32 *)per_cpu_ptr(stats, cpu) + idx));

    return val;

}

​

int xfs_stats_format(struct xfsstats __percpu *stats, char *buf)

{

    int     i, j;

    int     len = 0;

    uint64_t    xs_xstrat_bytes = 0;

    uint64_t    xs_write_bytes = 0;

    uint64_t    xs_read_bytes = 0;

​

    static const struct xstats_entry {

        char    *desc;

        int endpoint;

    } xstats[] = {

        { "extent_alloc",   xfsstats_offset(xs_abt_lookup)  },

        { "abt",        xfsstats_offset(xs_blk_mapr)    },

        { "blk_map",        xfsstats_offset(xs_bmbt_lookup) },

        { "bmbt",       xfsstats_offset(xs_dir_lookup)  },

        { "dir",        xfsstats_offset(xs_trans_sync)  },

        { "trans",      xfsstats_offset(xs_ig_attempts) },

        { "ig",         xfsstats_offset(xs_log_writes)  },

        { "log",        xfsstats_offset(xs_try_logspace)},

        { "push_ail",       xfsstats_offset(xs_xstrat_quick)},

        { "xstrat",     xfsstats_offset(xs_write_calls) },

        { "rw",         xfsstats_offset(xs_attr_get)    },

        { "attr",       xfsstats_offset(xs_iflush_count)},

        { "icluster",       xfsstats_offset(vn_active)  },

        { "vnodes",     xfsstats_offset(xb_get)     },

        { "buf",        xfsstats_offset(xs_abtb_2)  },

        { "abtb2",      xfsstats_offset(xs_abtc_2)  },

        { "abtc2",      xfsstats_offset(xs_bmbt_2)  },

        { "bmbt2",      xfsstats_offset(xs_ibt_2)   },

        { "ibt2",       xfsstats_offset(xs_fibt_2)  },

        { "fibt2",      xfsstats_offset(xs_rmap_2)  },

        { "rmapbt",     xfsstats_offset(xs_refcbt_2)    },

        { "refcntbt",       xfsstats_offset(xs_qm_dqreclaims)},

        /* we print both series of quota information together */

        { "qm",         xfsstats_offset(xs_xstrat_bytes)},

    };

​

    /* Loop over all stats groups */

​

    for (i = j = 0; i < ARRAY_SIZE(xstats); i++) {

        len += snprintf(buf + len, PATH_MAX - len, "%s",

                xstats[i].desc);

        /* inner loop does each group */