[Xen-users] how to make xenalyze continuously reading from xentrace file ?

[M A <vip2442@xxxxxxxxx>]

Hi There,

I'm a student at NYIT, New York and I have project on xen hypervisor.  Currently i'm working on xentrace and xenalyze to monitor the runstate events. What i'm trying do now is:  While i'm capturing  by xentrace I want to display the result on the screen using xenalyze.  I tried to use loop in the main function but I got errors and when I tried to solve these errors I got more errors.

int main(int argc, char *argv[]) {
    /* Start with warn at stderr. */

    warn = stderr;

    argp_parse(&parser_def, argc, argv, 0, NULL, NULL);

    if (G.trace_file == NULL)
        exit(1);

    if ( (G.fd = open(G.trace_file, O_RDONLY|O_LARGEFILE)) < 0) {
        perror("open");
        error(ERR_SYSTEM, NULL);
    } else {
        struct stat64 s;
        fstat64(G.fd, &s);
        G.file_size = s.st_size;
    }

    if ( (G.mh = mread_init(G.fd)) == NULL )
        perror("mread");

    if (G.symbol_file != NULL)
        parse_symbol_file(G.symbol_file);

    if(opt.dump_all)
        warn = stdout;
     
for (int i=0;i<=1000;i++){
    init_pcpus();


    if(opt.progress)
        progress_init();

    process_records();

    if(opt.interval_mode)
        interval_tail();

    if(opt.summary)
        summary();

    if(opt.report_pcpu)
        report_pcpu();
sleep(2);

}
    if(opt.progress)
        progress_finish();
              
    return 0;
}


Error: vcpu_next_update: FATAL: p->current not NULL! (d32768v0, runstate running)


How can I can make xenalyze to continuously read from xentrace output file ?
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