diff options
Diffstat (limited to 'scripts/automation/trex_control_plane/common/trex_stats.py')
| -rwxr-xr-x | scripts/automation/trex_control_plane/common/trex_stats.py | 128 |
1 files changed, 116 insertions, 12 deletions
diff --git a/scripts/automation/trex_control_plane/common/trex_stats.py b/scripts/automation/trex_control_plane/common/trex_stats.py index 9562f1f5..f2a965b2 100755 --- a/scripts/automation/trex_control_plane/common/trex_stats.py +++ b/scripts/automation/trex_control_plane/common/trex_stats.py @@ -1,12 +1,13 @@ #!/router/bin/python -from collections import namedtuple, OrderedDict +from collections import namedtuple, OrderedDict, deque from client_utils import text_tables -from common.text_opts import format_text +from common.text_opts import format_text, format_threshold from client.trex_async_client import CTRexAsyncStats import copy import datetime import time import re +import math GLOBAL_STATS = 'g' PORT_STATS = 'p' @@ -16,6 +17,44 @@ COMPACT = {GLOBAL_STATS, PORT_STATS} ExportableStats = namedtuple('ExportableStats', ['raw_data', 'text_table']) +# use to calculate diffs relative to the previous values +# for example, BW +def calculate_diff (samples): + total = 0.0 + + weight_step = 1.0 / sum(xrange(0, len(samples))) + weight = weight_step + + for i in xrange(0, len(samples) - 1): + current = samples[i] if samples[i] > 0 else 1 + next = samples[i + 1] if samples[i + 1] > 0 else 1 + + s = 100 * ((float(next) / current) - 1.0) + + # block change by 100% + total += (min(s, 100) * weight) + weight += weight_step + + return total + + +# calculate by absolute values and not relatives (useful for CPU usage in % and etc.) +def calculate_diff_raw (samples): + total = 0.0 + + weight_step = 1.0 / sum(xrange(0, len(samples))) + weight = weight_step + + for i in xrange(0, len(samples) - 1): + current = samples[i] + next = samples[i + 1] + + total += ( (next - current) * weight ) + weight += weight_step + + return total + + class CTRexStatsGenerator(object): """ @@ -158,7 +197,7 @@ class CTRexStats(object): self.reference_stats = None self.latest_stats = {} self.last_update_ts = time.time() - + self.history = deque(maxlen = 10) def __getitem__(self, item): # override this to allow quick and clean access to fields @@ -210,6 +249,7 @@ class CTRexStats(object): def update(self, snapshot): # update self.latest_stats = snapshot + self.history.append(snapshot) diff_time = time.time() - self.last_update_ts @@ -242,6 +282,54 @@ class CTRexStats(object): else: return self.format_num(self.latest_stats[field] - self.reference_stats[field], suffix) + # get trend for a field + def get_trend (self, field, use_raw = False): + if not field in self.latest_stats: + return 0 + + if len(self.history) < 5: + return 0 + + field_samples = [sample[field] for sample in self.history] + + if use_raw: + return calculate_diff_raw(field_samples) + else: + return calculate_diff(field_samples) + + + def get_trend_gui (self, field, show_value = True, use_raw = False, up_color = 'red', down_color = 'green'): + v = self.get_trend(field, use_raw) + + value = abs(v) + arrow = u'\u25b2' if v > 0 else u'\u25bc' + color = up_color if v > 0 else down_color + + # change in 1% is not meaningful + if value < 1: + return "" + + elif value > 5: + + if show_value: + return format_text(u"{0}{0}{0} {1:.2f}%".format(arrow,v), color) + else: + return format_text(u"{0}{0}{0}".format(arrow), color) + + elif value > 2: + + if show_value: + return format_text(u"{0}{0} {1:.2f}%".format(arrow,v), color) + else: + return format_text(u"{0}{0}".format(arrow), color) + + else: + if show_value: + return format_text(u"{0} {1:.2f}%".format(arrow,v), color) + else: + return format_text(u"{0}".format(arrow), color) + + class CGlobalStats(CTRexStats): @@ -256,11 +344,19 @@ class CGlobalStats(CTRexStats): port=self.connection_info.get("sync_port"))), ("version", "{ver}, UUID: {uuid}".format(ver=self.server_version.get("version", "N/A"), uuid="N/A")), - ("cpu_util", "{0}%".format(self.get("m_cpu_util"))), - ("total_tx", self.get("m_tx_bps", format=True, suffix="b/sec")), - ("total_rx", self.get("m_rx_bps", format=True, suffix="b/sec")), - ("total_pps", self.format_num(self.get("m_tx_pps") + self.get("m_rx_pps"), - suffix="pkt/sec")), + + ("cpu_util", u"{0}% {1}".format( format_threshold(self.get("m_cpu_util"), [85, 100], [0, 85]), + self.get_trend_gui("m_cpu_util", use_raw = True))), + + ("total_tx", u"{0} {1}".format( self.get("m_tx_bps", format=True, suffix="b/sec"), + self.get_trend_gui("m_tx_bps"))), + + ("total_rx", u"{0} {1}".format( self.get("m_rx_bps", format=True, suffix="b/sec"), + self.get_trend_gui("m_rx_bps"))), + + ("total_pps", u"{0} {1}".format( self.get("m_tx_pps", format=True, suffix="pkt/sec"), + self.get_trend_gui("m_tx_pps"))), + ("total_streams", sum([len(port_obj.streams) for _, port_obj in self._ports_dict.iteritems()])), ("active_ports", sum([port_obj.is_active() @@ -291,11 +387,19 @@ class CPortStats(CTRexStats): "rx-pkts": self.get_rel("ipackets", format = True, suffix = "pkts"), "---": "", - "Tx bps": self.get("m_total_tx_bps", format = True, suffix = "bps"), - "Rx bps": self.get("m_total_rx_bps", format = True, suffix = "bps"), + "Tx bps": u"{0} {1}".format(self.get_trend_gui("m_total_tx_bps", show_value = False, up_color = None, down_color = None), + self.get("m_total_tx_bps", format = True, suffix = "bps")), + + "Rx bps": u"{0} {1}".format(self.get_trend_gui("m_total_rx_bps", show_value = False, up_color = None, down_color = None), + self.get("m_total_rx_bps", format = True, suffix = "bps")), + "----": "", - "Tx pps": self.get("m_total_tx_pps", format = True, suffix = "pps"), - "Rx pps": self.get("m_total_rx_pps", format = True, suffix = "pps"), + "Tx pps": u"{0} {1}".format(self.get_trend_gui("m_total_tx_pps", show_value = False, up_color = None, down_color = None), + self.get("m_total_tx_pps", format = True, suffix = "pps")), + + "Rx pps": u"{0} {1}".format(self.get_trend_gui("m_total_rx_pps", show_value = False, up_color = None, down_color = None), + self.get("m_total_rx_pps", format = True, suffix = "pps")), + } |