perfmon_v2.h File Reference

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Data Structures
struct	pfarg_ctx_t
struct	pfarg_pmc_t
struct	pfarg_pmd_t
struct	pfarg_start_t
struct	pfarg_load_t
struct	pfarg_setdesc_t
struct	pfarg_setinfo_t

Functions
os_err_t	pfm_create_context (pfarg_ctx_t *ctx, char *smpl_name, void *smpl_arg, size_t smpl_size)
os_err_t	pfm_write_pmcs (int fd, pfarg_pmc_t *pmcs, int count)
os_err_t	pfm_write_pmds (int fd, pfarg_pmd_t *pmds, int count)
os_err_t	pfm_read_pmds (int fd, pfarg_pmd_t *pmds, int count)
os_err_t	pfm_load_context (int fd, pfarg_load_t *load)
os_err_t	pfm_start (int fd, pfarg_start_t *start)
os_err_t	pfm_stop (int fd)
os_err_t	pfm_restart (int fd)
os_err_t	pfm_create_evtsets (int fd, pfarg_setdesc_t *setd, int count)
os_err_t	pfm_getinfo_evtsets (int fd, pfarg_setinfo_t *info, int count)
os_err_t	pfm_delete_evtsets (int fd, pfarg_setdesc_t *setd, int count)
os_err_t	pfm_unload_context (int fd)

Function Documentation

pfm_create_context()

os_err_t pfm_create_context	(	pfarg_ctx_t *	ctx,
		char *	smpl_name,
		void *	smpl_arg,
		size_t	smpl_size
	)

Definition at line 483 of file pfmlib_os_linux_v2.c.

{
    if (_pfmlib_major_version < 3) {
        /*
         * In perfmon v2.2, the pfm_create_context() call had a
         * different return value. It used to return errno, in v2.3
         * it returns the file descriptor.
         */
        if (_pfmlib_minor_version < 3) {
            int r;
            pfarg_ctx22_t ctx22;
 
            /* transfer the v2.3 contents to v2.2 for sys call */
            memset (&ctx22, 0, sizeof(ctx22));
            if (name != NULL) {
                memcpy (ctx22.ctx_smpl_buf_id, name, 16);
            }
            ctx22.ctx_flags = ctx->ctx_flags;
            /* ctx22.ctx_fd returned */
            /* ctx22.ctx_smpl_buf_size returned */
            memcpy (ctx22.ctx_reserved3, &ctx->ctx_reserved1, 64);
 
            r = syscall (PFM_pfm_create_context, &ctx22, smpl_arg, smpl_size);
 
            /* transfer the v2.2 contents back to v2.3 */
            ctx->ctx_flags = ctx22.ctx_flags;
            memcpy (&ctx->ctx_reserved1, ctx22.ctx_reserved3, 64);
 
            return (r < 0 ? r : ctx22.ctx_fd);
        } else {
            return (int)syscall(PFM_pfm_create_context, ctx, name, smpl_arg, smpl_size);
        }
    }
    return pfm_create_context_2v3(ctx, name, smpl_arg, smpl_size);
}

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pfm_create_evtsets()

os_err_t pfm_create_evtsets	(	int	fd,
		pfarg_setdesc_t *	setd,
		int	count
	)

Definition at line 449 of file pfmlib_os_linux_v2.c.

{
    if (_pfmlib_major_version < 3)
        return (int)syscall(PFM_pfm_create_evtsets, fd, setd, count);
    return pfm_create_evtsets_2v3(fd, setd, count);
}

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pfm_delete_evtsets()

os_err_t pfm_delete_evtsets	(	int	fd,
		pfarg_setdesc_t *	setd,
		int	count
	)

Definition at line 457 of file pfmlib_os_linux_v2.c.

{
    if (_pfmlib_major_version < 3)
        return (int)syscall(PFM_pfm_delete_evtsets, fd, setd, count);
    return pfm_delete_evtsets_2v3(fd, setd, count);
}

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pfm_getinfo_evtsets()

os_err_t pfm_getinfo_evtsets	(	int	fd,
		pfarg_setinfo_t *	info,
		int	count
	)

Definition at line 465 of file pfmlib_os_linux_v2.c.

{
    if (_pfmlib_major_version < 3)
        return (int)syscall(PFM_pfm_getinfo_evtsets, fd, info, count);
 
    return pfm_getinfo_evtsets_2v3(fd, info, count);
}

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pfm_load_context()

os_err_t pfm_load_context	(	int	fd,
		pfarg_load_t *	load
	)

Definition at line 417 of file pfmlib_os_linux_v2.c.

{
    if (_pfmlib_major_version < 3)
        return (int)syscall(PFM_pfm_load_context, fd, load);
    return pfm_load_context_2v3(fd, load);
}

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pfm_read_pmds()

os_err_t pfm_read_pmds	(	int	fd,
		pfarg_pmd_t *	pmds,
		int	count
	)

Definition at line 536 of file pfmlib_os_linux_v2.c.

{
    if (_pfmlib_major_version < 3)
        return (int)syscall(PFM_pfm_read_pmds, fd, pmds, count);
    return pfm_read_pmds_2v3(fd, pmds, count);
}

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pfm_restart()

os_err_t pfm_restart

(

int

fd

)

Definition at line 441 of file pfmlib_os_linux_v2.c.

{
    if (_pfmlib_major_version < 3)
        return (int)syscall(PFM_pfm_restart, fd);
    return pfm_restart_2v3(fd);
}

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pfm_start()

os_err_t pfm_start	(	int	fd,
		pfarg_start_t *	start
	)

Definition at line 425 of file pfmlib_os_linux_v2.c.

{
    if (_pfmlib_major_version < 3)
        return (int)syscall(PFM_pfm_start, fd, start);
    return pfm_start_2v3(fd, start);
}

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pfm_stop()

os_err_t pfm_stop

(

int

fd

)

Definition at line 433 of file pfmlib_os_linux_v2.c.

{
    if (_pfmlib_major_version < 3)
        return (int)syscall(PFM_pfm_stop, fd);
    return pfm_stop_2v3(fd);
}

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pfm_unload_context()

os_err_t pfm_unload_context

(

int

fd

)

Definition at line 474 of file pfmlib_os_linux_v2.c.

{
    if (_pfmlib_major_version < 3)
        return (int)syscall(PFM_pfm_unload_context, fd);
 
    return pfm_unload_context_2v3(fd);
}

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pfm_write_pmcs()

os_err_t pfm_write_pmcs	(	int	fd,
		pfarg_pmc_t *	pmcs,
		int	count
	)

Definition at line 520 of file pfmlib_os_linux_v2.c.

{
    if (_pfmlib_major_version < 3)
        return (int)syscall(PFM_pfm_write_pmcs, fd, pmcs, count);
    return pfm_write_pmcs_2v3(fd, pmcs, count);
}

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pfm_write_pmds()

os_err_t pfm_write_pmds	(	int	fd,
		pfarg_pmd_t *	pmds,
		int	count
	)

Definition at line 528 of file pfmlib_os_linux_v2.c.

{
    if (_pfmlib_major_version < 3)
        return (int)syscall(PFM_pfm_write_pmds, fd, pmds, count);
    return pfm_write_pmds_2v3(fd, pmds, count);
}

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