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Use carriage returns for data insertion logs in pgbench on terminal

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This is similar to what pg_basebackup and pg_rewind do when reporting
cumulative data, and that's more user-friendly.  Carriage returns are
now used when stderr points to a terminal, and newlines are used in
other cases, like a redirection to a log file.

Author: Amit Langote
Reviewed-by: Fabien Coelho
Discussion: https://postgr.es/m/CA+HiwqFNwEjPeVaQsp2L7DyCPv1Eg1guwhrVhzMYqUJUk8ULKg@mail.gmail.com
This commit is contained in:
Michael Paquier 2019-12-04 11:33:14 +09:00
parent 85b9ef5fe7
commit d37ddb745b
1 changed files with 11 additions and 5 deletions
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16
src/bin/pgbench/pgbench.c
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@ -3835,6 +3835,9 @@ initGenerateDataClientSide(PGconn *con)
remaining_sec;
int log_interval = 1;
/* Stay on the same line if reporting to a terminal */
char eol = isatty(fileno(stderr)) ? '\r' : '\n';
fprintf(stderr, "generating data (client-side)...\n");
/*
@ -3910,10 +3913,10 @@ initGenerateDataClientSide(PGconn *con)
elapsed_sec = INSTR_TIME_GET_DOUBLE(diff);
remaining_sec = ((double) scale * naccounts - j) * elapsed_sec / j;
fprintf(stderr, INT64_FORMAT " of " INT64_FORMAT " tuples (%d%%) done (elapsed %.2f s, remaining %.2f s)\n",
fprintf(stderr, INT64_FORMAT " of " INT64_FORMAT " tuples (%d%%) done (elapsed %.2f s, remaining %.2f s)%c",
j, (int64) naccounts * scale,
(int) (((int64) j * 100) / (naccounts * (int64) scale)),
elapsed_sec, remaining_sec);
elapsed_sec, remaining_sec, eol);
}
/* let's not call the timing for each row, but only each 100 rows */
else if (use_quiet && (j % 100 == 0))
@ -3927,16 +3930,19 @@ initGenerateDataClientSide(PGconn *con)
/* have we reached the next interval (or end)? */
if ((j == scale * naccounts) || (elapsed_sec >= log_interval * LOG_STEP_SECONDS))
{
fprintf(stderr, INT64_FORMAT " of " INT64_FORMAT " tuples (%d%%) done (elapsed %.2f s, remaining %.2f s)\n",
fprintf(stderr, INT64_FORMAT " of " INT64_FORMAT " tuples (%d%%) done (elapsed %.2f s, remaining %.2f s)%c",
j, (int64) naccounts * scale,
(int) (((int64) j * 100) / (naccounts * (int64) scale)), elapsed_sec, remaining_sec);
(int) (((int64) j * 100) / (naccounts * (int64) scale)), elapsed_sec, remaining_sec, eol);
/* skip to the next interval */
log_interval = (int) ceil(elapsed_sec / LOG_STEP_SECONDS);
}
}
}
if (eol != '\n')
fputc('\n', stderr); /* Need to move to next line */
if (PQputline(con, "\\.\n"))
{
fprintf(stderr, "very last PQputline failed\n");