Re: [Xen-devel] [PATCH 06 of 10] xenalyze: move struct record_info into a header

[George Dunlap <george.dunlap@xxxxxxxxxxxxx>]

On 31/05/12 12:16, David Vrabel wrote:
> Split out struct record_info onto the analyze.h so it can be used
> outside of xenalyze.c.
I assume this is mainly to support the plugin infrastructure?

 -George
> Signed-off-by: David Vrabel<david.vrabel@xxxxxxxxxx>
> ---
>
> diff --git a/analyze.h b/analyze.h
> --- a/analyze.h
> +++ b/analyze.h
> @@ -1,5 +1,8 @@
>   #ifndef __ANALYZE_H
>   # define __ANALYZE_H
> +
> +#include<stdint.h>
> +
>   #define TRC_GEN_MAIN     0
>   #define TRC_SCHED_MAIN   1
>   #define TRC_DOM0OP_MAIN  2
> @@ -47,4 +50,56 @@ enum {
>   };
>
>   #define TRC_HVM_OP_DESTROY_PROC (TRC_HVM_HANDLER + 0x100)
> +
> +typedef unsigned long long tsc_t;
> +
> +/* -- on-disk trace buffer definitions -- */
> +struct trace_record {
> +    union {
> +        struct {
> +            unsigned event:28,
> +                extra_words:3,
> +                cycle_flag:1;
> +            union {
> +                struct {
> +                    uint32_t tsc_lo, tsc_hi;
> +                    uint32_t data[7];
> +                } tsc;
> +                struct {
> +                    uint32_t data[7];
> +                } notsc;
> +            } u;
> +        };
> +        uint32_t raw[8];
> +    };
> +};
> +
> +/* -- General info about a current record -- */
> +struct time_struct {
> +    unsigned long long time;
> +    unsigned int s, ns;
> +};
> +
> +#define DUMP_HEADER_MAX 256
> +
> +struct record_info {
> +    int cpu;
> +    tsc_t tsc;
> +    union {
> +        unsigned event;
> +        struct {
> +            unsigned minor:12,
> +                sub:4,
> +                main:12,
> +                unused:4;
> +        } evt;
> +    };
> +    int extra_words;
> +    int size;
> +    uint32_t *d;
> +    char dump_header[DUMP_HEADER_MAX];
> +    struct time_struct t;
> +    struct trace_record rec;
> +};
> +
>   #endif
> diff --git a/xenalyze.c b/xenalyze.c
> --- a/xenalyze.c
> +++ b/xenalyze.c
> @@ -40,8 +40,6 @@
>   struct mread_ctrl;
>
>
> -typedef unsigned long long tsc_t;
> -
>   #define DEFAULT_CPU_HZ 2400000000LL
>   #define ADDR_SPACE_BITS 48
>   #define DEFAULT_SAMPLE_SIZE 10240
> @@ -260,57 +258,8 @@ struct {
>       .interval = { .msec = DEFAULT_INTERVAL_LENGTH },
>   };
>
> -/* -- on-disk trace buffer definitions -- */
> -struct trace_record {
> -    union {
> -        struct {
> -            unsigned event:28,
> -                extra_words:3,
> -                cycle_flag:1;
> -            union {
> -                struct {
> -                    uint32_t tsc_lo, tsc_hi;
> -                    uint32_t data[7];
> -                } tsc;
> -                struct {
> -                    uint32_t data[7];
> -                } notsc;
> -            } u;
> -        };
> -        uint32_t raw[8];
> -    };
> -};
> -
>   FILE *warn = NULL;
>
> -/* -- General info about a current record -- */
> -struct time_struct {
> -    unsigned long long time;
> -    unsigned int s, ns;
> -};
> -
> -#define DUMP_HEADER_MAX 256
> -
> -struct record_info {
> -    int cpu;
> -    tsc_t tsc;
> -    union {
> -        unsigned event;
> -        struct {
> -            unsigned minor:12,
> -                sub:4,
> -                main:12,
> -                unused:4;
> -        } evt;
> -    };
> -    int extra_words;
> -    int size;
> -    uint32_t *d;
> -    char dump_header[DUMP_HEADER_MAX];
> -    struct time_struct t;
> -    struct trace_record rec;
> -};
> -
>   /* -- Summary data -- */
>   struct cycle_framework {
>       tsc_t first_tsc, last_tsc, total_cycles;

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