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58 lines
1.6 KiB
Awk
58 lines
1.6 KiB
Awk
# awk program to scan peerstats files and report errors/statistics
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#
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# usage: awk -f peer.awk peerstats
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#
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# format of peerstats record
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# MJD sec ident stat offset (s) delay (s) disp (s)
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# 49235 11.632 128.4.2.7 f414 -0.000041 0.21910 0.00084
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#
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BEGIN {
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n = 0
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MAXDISTANCE = 1.0
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}
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#
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# scan all records in file
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#
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{
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if (NF >= 7 && ($7 + $6 / 2) < MAXDISTANCE) {
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i = n
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for (j = 0; j < n; j++) {
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if ($3 == peer_ident[j])
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i = j
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}
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if (i == n) {
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peer_ident[i] = $3
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peer_tmax[i] = peer_dist[i] = -1e9
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peer_tmin[i] = 1e9
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n++
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}
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peer_count[i]++
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if ($5 > peer_tmax[i])
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peer_tmax[i] = $5
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if ($5 < peer_tmin[i])
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peer_tmin[i] = $5
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dist = $7 + $6 / 2
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if (dist > peer_dist[i])
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peer_dist[i] = dist
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peer_time[i] += $5
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peer_time_rms[i] += $5 * $5
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peer_delay[i] += $6
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peer_disp[i] += $7
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}
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} END {
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printf " ident cnt mean rms max delay dist disp\n"
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printf "==========================================================================\n"
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for (i = 0; i < n; i++) {
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peer_time[i] /= peer_count[i]
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peer_time_rms[i] = sqrt(peer_time_rms[i] / peer_count[i] - peer_time[i] * peer_time[i])
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peer_delay[i] /= peer_count[i]
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peer_disp[i] /= peer_count[i]
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peer_tmax[i] = peer_tmax[i] - peer_time[i]
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peer_tmin[i] = peer_time[i] - peer_tmin[i]
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if (peer_tmin[i] > peer_tmax[i])
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peer_tmax[i] = peer_tmin[i]
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printf "%15s%5d%9.3f%9.3f%9.3f%9.3f%9.3f%9.3f\n", peer_ident[i], peer_count[i], peer_time[i] * 1e3, peer_time_rms[i] * 1e3, peer_tmax[i] * 1e3, peer_delay[i] * 1e3, peer_dist[i] * 1e3, peer_disp[i] * 1e3
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}
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}
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